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Heart Essays & Research Papers

Best Heart Essays

  • The Heart - 435 Words The Heart The heart is a group muscles that pumps blood throughout the blood vessels by repeated, rhythmic contractions. It is found in all animals with a circulatory system. The vertebrate heart is principally composed of cardiac muscle and connective tissue. Cardiac muscle is an involuntary striated muscle tissue found only in this organ and responsible for the ability of the heart to pump blood. The structure of the heart can vary among the different branches of the animal kingdom.... 435 Words | 2 Pages
  • The Heart - 1473 Words Cardiovascular System: The Heart Purpose Explain why you did this exercise. Where there any safety precautions you needed to follow? If so, what were they? The safety precautions in this exercise were to wear goggles and gloves due to being exposed to chemicals and dissection of the sheep and cat heart. Appropriate work space was also required. Exercise 1:... 1,473 Words | 5 Pages
  • Heart and Lungs - 705 Words Shonna Seddon Anatomy & Physiology II December 3, 2011 Heart & Lungs The heart and lungs are two separate organs, but are “intimately connected” for the proper function of a healthy body. With the function and purpose of both organs, one cannot work without the other. The lungs inhale oxygen, and then exhale the carbon dioxide and other wastes out of the body. With the heart, it pumps blood through the lungs to pick up the oxygen and deposit the waste from traveling through the... 705 Words | 2 Pages
  • Heart Disease - 1072 Words It is the time of progress. The time of supercomputers, space shuttles, and many other wonders of technology. We have walked on the moon. We do our shopping at home via Internet navigation. We can not only talk with, but we can see the person we are talking to thousands of miles away. It is mankind's greatest hour. Yet sadly, it is also our time of dying. Strange that no matter how advanced our society has become, our nation's health hasn't caught up. After all, heart disease, also known as... 1,072 Words | 2 Pages
  • All Heart Essays

  • Morphology of the Heart - 268 Words 1 The heart is a muscular organ found in all animals with a circulatory system. The heart pumps blood throughout the blood vessels by contractions. Cardiac means “related to the heart”, and comes from the Greek. The vertebrate heart is made up of cardiac muscle, it’s an involuntary striated muscle tissue found only in this organ, and connective tissue. The male’s heart weighs 9-11 ounces, and the female’s heart weighs about 11-12 ounces. A person’s blood pressure has major effects on their... 268 Words | 1 Page
  • Heart Failure - 1209 Words  The term “heart failure” sounds as if the heart has already failed. This can increase a person’s anxiety especially in the aging population that is a targeted community for this disease assuming that the failure is equivalent to death. Heart failure is actually the decline in the hearts ability to sufficiently pump oxygenated blood to the rest of the body. Many people can live with heart failure and are able to manage it through lifestyle changes, prescribed medication compliance, and... 1,209 Words | 4 Pages
  • The Human Heart - 1154 Words The heart is one of the most important organs in your body. So what does it do? It's function is to pump blood to all the other organs. But the heart can not function alone, it has other organs and blood vessels helping it. The human heart is a pear shaped and about the size of a human fist. It is made of muscle and there are three different layers. The outer layer is called the epicardium. The middle layer is called the myocardium which is made of muscles that contract. The inner layer is... 1,154 Words | 3 Pages
  • Human Heart - 402 Words THE HUMAN HEART The human heart is by far one of the most vital organs of the body. It has a mass that ranges from 250 grams to 350 grams. Its contraction and expansion results in 2000 gallons of blood being pumped through the body’s blood vessels per day. It’s located in the middle of the chest protected by the ribcage. Its building blocks are a unique type of muscle known as the myocardium, and it’s enclosed by a double-walled membranous sac known as the pericardium. The double-walled... 402 Words | 2 Pages
  • The Human Heart - 965 Words The Human Heart The Human Heart is one of the most important organs in the entire human body. The heart is a muscular organ that acts like a pump to continuously send blood through the body. The heart beats approximately about seventy-two times per minute of our lives. Without the heart’s pumping action, blood can’t circulate within the human body. The heart is enclosed in a double walled sac called the Pericardium. The pericardium has outer and inner coats. The outer coat is tough and... 965 Words | 3 Pages
  • Heart Attack - 576 Words A heart attack is also known as a myocardial infarction. A heart attack is when a part of the heart muscle is damaged or dies because it is not receiving oxygen. A heart attack is the death of heart muscle and it is caused by a sudden block of a coronary artery by a blood clot. Coronary arteries are blood vessels that supply the heart muscle with blood and oxygen. Causing injury to the heart muscle can cause chest main and pressure. If blood flow is not restored within 20 to 40 minutes... 576 Words | 2 Pages
  • Heart Disease - 6412 Words INTRODUCTION
    In today's society, people are gaining medical knowledge at quite a fast pace. Treatments, cures, and vaccines for various diseases and disorders are being developed constantly, and yet, coronary heart disease remains the number one killer in the world.

    The media today concentrates intensely on drug and alcohol abuse, homicides, AIDS and so on. What a lot of people are not realizing is that coronary heart disease actually accounts for about 80% of all sudden deaths.... 6,412 Words | 15 Pages
  • Heart Disease - 1238 Words Heart Disease Many may or may not be surprised to know the number one killer in America for both men and women is heart disease. America has become increasingly over weight by over eating, eating unhealthy and not getting enough exercise. We have been alerted that each year we are becoming more and more obese at a alarming rate. Heart disease has been known to kill more people than any of the cancers combined by causing heart attacks and strokes. There are many causes to heart disease by... 1,238 Words | 4 Pages
  • Heart Disease - 709 Words Heart Disease Stent and Angioplasty: A stent is a mess tube used to treat narrow or weak arteries (blood vessels that carry blood away from the heart to other parts of the body). The stent is placed in the artery as part of an Angioplasty procedure. Angioplasty restores blood flow into narrow or blocked arteries. The stent helps to support the inner wall of the artery after the angioplasty. Doctors also place stents in weak arteries to improve blood flow and prevent arteries from... 709 Words | 2 Pages
  • heart block - 617 Words maria Heart block is a condition where the electrical impulse of the heart are slowed or disrupted. This mean that interrupting the electrical impulse from continuing through the normal pathway of the heart will results in slower heat rate and rhythm. Basically what happen is the signal from the SA node is trying to get the AV node, and it’s being slowed or blocked altogether which make the signal having a hard time getting though, the atria makes a normal p wave, but if the signal does... 617 Words | 2 Pages
  • Heart Rate - 350 Words Heart Rate Research Question: Do different exercises have different effect on heart rate? Method: 1. Find test subject 2. Prepare for activity (stretching) 3. Take heart rate of subject before exercise 4. Record heart rate 5. Do sit ups for 2 mins 6. Time using stop watch 7. Record heart rate 8. Allow subject to rest (lower heart rate) 9. Begin next exercise 10. Jumping jacks for 2 mins 11. Time using stopwatch 12. Record heart rate 13. Allow subject to rest (lower heart rate) 14. Squats... 350 Words | 2 Pages
  • Heart Failure - 250 Words  Patient Teaching: Heart Failure The registered nurse (RN) must be efficient in many roles, including that of teacher, advocate, and care provider. As a care provider it is the registered nurses’ responsibility to provide competent and effective care. The ability to deliver this care is reliant upon the capacity of the RN to think abstractly regarding unfamiliar health issues and medications. Positive patient outcomes are dependent upon the... 250 Words | 1 Page
  • heart disease - 295 Words The heart The heart is the organ that supplies blood and oxygen to all parts of the body. The heart is located in the chest cavity just posterior to the breastbone, between the lungs and superior to the diaphragm. The heart is surrounded by a fluid filled sac called the pericardium. Blood is pumped away from the heart through arteries and returns to the heart through veins. The heart is divided into two halves. The halves are then divided into chambers. The upper two chambers of the heart... 295 Words | 1 Page
  • Mammalian Heart - 470 Words The Mammalian Heart Analysis Questions 1. The job performed by the atria is collecting blood, while the job performed by the ventricles is pumping blood. Since the atria are thin-walled, they must function similar to thin bags that collect the blood. The ventricles have thick walls, which allow them to contract strongly to be able to pump blood to the rest of the body. 2. The deoxygenated blood must be pumped to the lungs, where it becomes oxygenated prior to be being pumped back to the... 470 Words | 2 Pages
  • Heart Murmur - 376 Words Finding out you or a loved one has a heart murmur can be frightening. Anything that causes heart complications is frightening. A heart murmur is an extra or unusual sound heard during your heartbeat. Although heart murmurs are common and need to be taken seriously, they are often quite harmless. Heart murmurs are most common in healthy children who can possibly out grow the symptom. With normal tests, doctors can find out the cause of a heart murmer and help with the problem. There are many... 376 Words | 1 Page
  • Heart Dissection - 726 Words Joselyn Bodnar Heart lab dissection 3/2/15 The Human heart has many complicated processes. Dissecting a sheep’s heart can help to provide an active, firsthand learning experience that allows to illustrate what has been previously heard and read. The sheep heart and a human heart share the same function and purpose, which is to keep the body alive by continually circulating blood around the body. Like a human heart, a sheep’s heart contains two atria and two ventricles. These four... 726 Words | 2 Pages
  • Heart Vocabulary - 264 Words  1. Aorta Main artery of the body; supplying oxygenated blood to the circulatory system 2. Arterioles Small branches of arteries leading into capillaries 3. Artery Any of the muscular walled tubes forming part if the circulation system by which blood is conveyed from the heart to all the parts of the body 4. Bundle of His Collection of heart muscles specialized for electrical conduction 5. Capillaries Any of the fine branching blood vessels that form a network between the arterioles... 264 Words | 2 Pages
  • USMLE heart - 1396 Words Heart 1. Blockage of which of the following arteries would lead to ischemia of the apex of the heart? a. Anterior interventricular (descending) b. Left circumflex c. Posterior interventricular (descending) d. Right marginal e. Right coronary 2. If the ductus arteriosus does not spontaneously close off soon after birth (to become the ligamentum arteriosum), it may have to be surgically ligated. When clamping or ligating it, what important structure immediately behind it must be... 1,396 Words | 7 Pages
  • Heart Disease - 357 Words Heart Disease By : Nhia Moua Research Question How do you have heart disease when your all healthy? What is Heart Disease? ○ Heart disease describes a range of conditions that affect your heart. What cause Heart Disease? ○ begins with damage to the lining and inner layers of the coronary (heart) arteries. Several factors contribute to this damage. They include: smoking,high blood pressure How can you have Heart Disease? You have heart disease by smoking. And doing some other stuff like... 357 Words | 2 Pages
  • The Heart of a Teacher - 1540 Words SOUTHWESTERN INSTITUTE OF BUSINESS and TECHNOLOGY (SIBTECH) In consortium with RIZAL TECHNOLOGICAL UNIVERSITY (RTU) ADVANCED CURRICULUM DEVELOPMENT REACTION PAPER THE HEART OF A TEACHER As I leaned on my headboard, I found myself heading towards the enjoyment of reading this article about how the real teacher teaches with his/her heart in the classroom. And so I started reflecting on what kind of a teacher I am. Teaching at first has not come in my wildest dream but since the... 1,540 Words | 4 Pages
  • Embryology of Heart - 1109 Words Development of the heart October -08 -12 TUBE FORMATION • 15 days after conception ○ Begins as flat sheet of mesodermal cells (cells of the mesoderm layer in an embryo) • Day 18-20 ○ The cells form a horse -shoe shape (cardiogenic region) ○ Angiogenic cell clusters coalesce to form right and left endocardial tubes • Day 21 ○ Two endocardial tubes are completely fused • Day 22 ○ Heart begins beating • Day 23 ○ Heart tube forms constrictions prior to looping The first indication... 1,109 Words | 7 Pages
  • heart failure - 772 Words Diagnosis: Heart Failure Defined: “An abnormal clinical condition involving impaired cardiac pumping that results in pathophysiologic changes in vasoconstriction and fluid retention” (Lewis, Heitkemper, Dirksen, O’Brien, Bucher, 2007, p. 821). Risk factors: Increasing age and coronary artery disease are the two main risk factors for heart failure. Heart failure may also develop by other contributing risk factors, such as cigarette smoking, diabetes, high cholesterol, obesity, and... 772 Words | 3 Pages
  • Heart Attack - 864 Words Running head: Heart Attack Heart attack: sudden illness Ridhima Katyal First Aid and CPR (HNES 210) December 6, 2008 North Dakota State University A heart attack occurs when the blood supply to part of the heart muscle itself — the... 864 Words | 3 Pages
  • Heart Attacks - 1621 Words 1 PLEASE READ BEFORE Organizing the Preparation Outline & Using this Template I. Always start organizing your speech with Main Points – Don’t Start with the Introduction or at the beginning of the speech – START WITH THE BODY of the speech and the Main Points!! A. Look at the research and try to find a way to organize your main points (MPs) - (chronological, spatial, topical, problem-solution, cause-effect). B. You should have at least two and no more than five main points. C. Try to... 1,621 Words | 11 Pages
  • Heart Disease - 1344 Words Living in the Shadow of Heart Disease In the United States, every year more than 1 million Americans suffer from a heart attack. This number although it may not seem like a lot, is indeed quite high. Heart disease is a major killer that can in fact be controlled. If more people would watch what they eat, do simple exercises, and restrict physically damaging activities, such as smoking, they could lower their risk of a heart attack or heart disease. Many people do things that short term, have... 1,344 Words | 4 Pages
  • Heart Transplant - 6142 Words Introduction Cardiac transplantation, also called heart transplantation, has evolved into the treatment of choice for many people with severe heart failure (HF) who have severe symptoms despite maximum medical therapy. Survival among cardiac transplant recipients has improved as a result of improvements in treatments that suppress the immune system and prevent infection. Definition A heart transplant, or a cardiac transplantation, is a surgical transplant procedure performed on patients... 6,142 Words | 27 Pages
  • Heart Rate - 504 Words  The purpose of this lab was to find my and my fellow classmates resting heart rate and record it. There were seven people in the class and we all participated in this study. There are four places to check heart rate and they are in your wrist, the inside of your elbow, the side of your neck, or the top of your foot. Everyone used the wrist or their radial artery. We used our middle and index fingers to gently feel for the radial artery in each others pulse. I then counted the pulse for... 504 Words | 2 Pages
  • Heart of Darkness - 2882 Words Joseph Conrad's Heart of Darkness does not explicitly deal with a struggle between war and peace: the conflict is a psychological, moral one; however, the text's implications that society is a thin veil over our innate savagery, the darkness at the roots of Western civilization, reveals disturbing truths about the peaceful, orderly lives we take for granted. The key to understanding Conrad's novella lies in ascertaining the metaphorical significance of the "heart of darkness," a search which may... 2,882 Words | 8 Pages
  • Heart Surgery - 889 Words Open heart surgery can be real painful on a family, just as it is to the person having it. My father had to undergo this procedure, and might have to undergo it again. This was a devasting time for my family and myself. This occurred almost two years ago. The evening before my father’s surgery they had him take a shower or bedside bath. They told him to use a special soap on his chest and legs. This special soap kills the bacteria on your skin and helps to prevent infection after surgery. The... 889 Words | 3 Pages
  • Heart Disease - 433 Words Heart Disease Stephanie Rodriguez CHCP Abstract According to the World Health Organization, cardiovascular disease is the most common death in the U.S. These heart attacks and strokes are responsible for more than 15 million deaths worldwide each year. Doctors assure that every day nearly 2,500 people in many other countries around the world die from heart diseases. In my opinion, the heart is a major important... 433 Words | 2 Pages
  • Heart Disease - 905 Words Heart Disease Amber Brooks HCS-245 November 26, 2012 Tynan Weed, Facilitator Heart Disease Heart disease is what is known as the silent killer; to me I believe this whole heartedly. I hold this particular disease close to my heart because I had a lost due to the disease in my family. I had to realize that it must be really serious for the simple fact that it works so silently and could kill off so easily. I did my research on it and I now know the severity of it. Everyone... 905 Words | 3 Pages
  • Heart and Lungs - 672 Words  Heart and Lungs Britani Wright BIO1000 January 27, 2013 Capella University Starting with the right ventricle of the heart, describe the function of the heart and the movement of the blood through the pulmonary and systemic circuit. Include a description of gas exchange within the lungs. The function of the heart is to pump blood throughout the body. The heart pumps blood containing oxygen from the lungs to body. It passes blood without oxygen back to the lungs... 672 Words | 2 Pages
  • Heart Diseases - 506 Words Heart disease Stress symptoms: Effects on your body, feelings and behavior By Mayo Clinic staff Stress symptoms may be affecting your health, even though you might not realize it. You may think illness is to blame for that nagging headache, your frequent insomnia or your decreased productivity at work. But stress may actually be the culprit. Indeed, stress symptoms can affect your body, your thoughts and feelings, and your behavior. Being able to recognize common stress symptoms can give you... 506 Words | 2 Pages
  • Artificial Heart - 276 Words The Artificial Heart The artificial heart is an extra pumping chamber that can pump blood throughout the body. The heart is a muscular pump that maintains oxygen and blood circulation through the lungs and body. Our heart pumps about 2,000 gallons of blood throughout the day. An adult’s heart pumps blood at a rate of 60 to 100 beats per minute. The heart has two stages, in the first stage the left and right Atria contract at the same time pumping blood through the left and right ventricle. In... 276 Words | 1 Page
  • Heart in a Box - 706 Words Alwina Thomas Mr. Mushal Anatomy/ Per: 7th November 22, 2011 Heart in a Box "How long can a human heart sit in a cooler of ice—thirsty for vein-borne blood, detached from ox y gen and lungs—before it becomes useless to the transplant patient who desperately needs it?" (Ballingall) Studies have shown that for up to 4 hours a transplanted heart can stay strong and healthy in a cooler of ice, but past six hours is too long for the heart to be stable, and its impossible to predict whether the... 706 Words | 2 Pages
  • Guyton-the Heart - 9354 Words U N I T III The Heart 9. Heart Muscle; The Heart as a Pump and Function of the Heart Valves 10. Rhythmical Excitation of the Heart 11. The Normal Electrocardiogram 12. Electrocardiographic Interpretation of Cardiac Muscle and Coronary Blood Flow Abnormalities: Vectorial Analysis 13. Cardiac Arrhythmias and Their Electrocardiographic Interpretation C H A P T E R 9 Heart Muscle; The Heart as a Pump and Function of the Heart Valves With this chapter we... 9,354 Words | 75 Pages
  • Heart Disease - 11617 Words HEART DISEASE NOTES Video was made outside of Boston in Framingham. Studies started in 1948. Heart disease is # 1 killer in U.S. It starts squeezing your heart, and you feel a sharp point. 1/2 the people in the U.S. die with it, and 80% die from it. More men have it and more women die from it. Every minute heart disease kills someone in the U.S. Half the deaths in the U.S. population die by heart disease. Get tightness in the throat. Cholesterol is most deadly. Smoking hardens the arteries.... 11,617 Words | 28 Pages
  • Lion Heart - 245 Words lion heart Amanda Chong You came out of the sea, skin dappled scales of sunlight; Riding crests, waves of fish in your fists. Washed up, your gills snapped shut. Water whipped the first breath of your lungs, Your lips’ bud teased by morning mists. You conquered the shore, its ivory coast. Your legs still rocked with the memory of waves. Sinews of sand ran across your back- Rising runes of your oceanic origins. Your heart thumped- an animal skin drum heralding the coming of a prince. In the... 245 Words | 2 Pages
  • Heart Attcks - 650 Words Each Year 1.1 Million people in the United States have heart attacks and almost half of them die. Even though heart attacks isn't the end of a person's life, people can still live an active, productive life after a heart attack, because people can live healthier lives and people can go about doing things like before. This disease will take you by surprise all of a sudden. It may be surprising that while many women believe breast cancer is most threatening to them, it is a fact that they are... 650 Words | 2 Pages
  • Heart Anatomy - 366 Words The heart is the organ that helps supply blood and oxygen to all parts of the body. It is divided by a partition or septum into two halves, and the halves are in turn divided into four chambers. The heart is situated within the chest cavity and surrounded by a fluid filled sac called the pericardium. This amazing muscle produces electrical impulses that cause the heart to contract, pumping blood throughout the body. The heart and the circulatory system together form the cardiovascular system.... 366 Words | 2 Pages
  • Heart Disease - 1631 Words Heart Attack Bring up a heart disease and most people start thinking of a heart attack. But in reality, a heart disease consists more than just a heart attack. Heart attack just isn’t for men; it also includes women in the category (Star, Ventura County). There can be/are many conditions that can cause a heart to stop doing its normal abilities. Some of the conditions include coronary artery disease, cardiomyopathy, arrhythmia, and heart failure. 1 in 3 Americans have... 1,631 Words | 5 Pages
  • Heart Disease - 1851 Words Heart Disease Kayla Tusa Adelphi University Abstract This paper is aimed to view heart disease and show the effects that it can have on the person who has it. The points made in this paper will show what heart disease does to the body. It shows symptoms and treatments that are used with this disease. It mainly shows the facts about heart disease. The illness in my family that I feel poses the greatest threat to me is heart disease. Heart disease has been in my father’s family for a... 1,851 Words | 5 Pages
  • Structure of Heart - 957 Words EXTERNAL VIEW SURFACE VIEW OF HEART Position, Shape and Size of the Heart: The human heart is located between the lungs in the thoracic cavity (i.e. it is not situated on the left side of the chest). The heart is a hollow, fibro-muscular organ and is somewhat conical in shape. It is about the size of one’s fist, measures about 12 cm in length and 9 cm in breadth. Its weight is about 300 g in an adult. The heart is enclosed in pericardium (a double- layered membranous sac). It protects... 957 Words | 3 Pages
  • Heart Disease - 979 Words Coronary Heart Disease Coronary Heart Disease (CHD) is the leading cause of death in the United States. There are many types of heart diseases that fall into this title. Two of the most popular forms of cardiovascular diseases are heart attack and stroke. The increasing amount of exposure of known risk factors for these diseases to young adults is why I feel it is necessary to promote what it takes to lead a heart healthy lifestyle in order to avoid becoming another statistic. I feel as... 979 Words | 3 Pages
  • Heart Functions - 336 Words Heart Questions: 1. What do you notice about the sizes of the four chambers? Annotate the measurements you have recorded onto your drawing. The ventricles are much bigger than the atria and the left ventricle is bigger than the right ventricle. Left atrium wall: 0.4cm Left ventricle wall: 1.4 cm Right atrium wall: 0.2 cm Right ventricle wall: 0.6 cm 2. The left ventricle has a much thinker wall than the right ventricle; explain why this is. The left ventricle has a much thicker... 336 Words | 1 Page
  • The Human Heart - 946 Words The Human Heart The human heart has four chambers. On each side of the heart there is one atrium and one ventricle, thus referred to as the left atrium, left ventricle, right atrium and right ventricle. To ensure that blood does not flow backwards, the heart uses several valves, limited in movement by the papillary muscle. The mitral and tricuspid valves are what allow blood to flow from the atria to the ventricles but not in the other direction. The tricuspid does this for the right side and... 946 Words | 3 Pages
  • Heart Attacks - 476 Words Michelle Martin April 25, 2013 Heart Attacks As many people might not now cardiovascular disease is the number one killer of Women in America. Heart attacks are the leading cause of many deaths. However, what is cardiovascular disease and what is a heart attack? A cardiovascular disease is defined as a disease of the heart or blood vessels. A heart attack is defined as a sudden and sometimes fatal occurrence of coronary thrombosis, typically resulting in the death of part of heart muscle.... 476 Words | 2 Pages
  • The Human Heart - 270 Words I am writing on the human heart. I will be explaining the functions and uses of the heart throughout this paper. The main focus will be on how important the heart is to our entire body’s running like a well-oiled machine and its absolute importance to our survival. The heart has four different chambers. Each side of the heart contains one ventricle and one atrium, meaning it has two ventricles and two atriums, one on each side. They are known as the right and left ventricles and the right... 270 Words | 1 Page
  • heart sensor - 1902 Words BTech Project HEART ATTACK DETECTION AND ALERT SYSTEM Submitted by Guided by AKANSHA WAJGE Prof. VIKAS UPADHYAYA AKSHITA BHANDARI DIBYA RAY K. REVATHI NIIT University Neemrana TABLE OF CONTENTS CERTIFICATE………………………………………………………………………………………………………………………..2 ACKNOWLEDGEMENT…………………………………………………………………………………………………………3 ABSTRACT………………………………………….4 INTRODUCTION…………………………………5 OBJECTIVE……………………………6 CIRCUIT... 1,902 Words | 8 Pages
  • Heart Disease - 276 Words Introduction I. Millions of americans suffer from heart disease. II. In fact, heart disease is the leading cause of death for both men and women III. About 600,000 people die of heart disease each year in the United States. Thesis Statement: Heart disease is a huge issue in the United States and being aware of symptoms can help save lives. Body I. Heart disease refers to several types of heart conditions. The most common type in the United States is coronary artery... 276 Words | 2 Pages
  • The Heart (Cardiovascular) - 7729 Words 20 The Heart PowerPoint® Lecture Presentations prepared by Jason LaPres Lone Star College—North Harris © 2012 Pearson Education, Inc. An Introduction to the Cardiovascular System • Learning Outcomes • 20-1 Describe the anatomy of the heart, including vascular supply and pericardium structure, and trace the flow of blood through the heart, identifying the major blood vessels, chambers, and heart valves. • 20-2 Explain the events of an action potential in cardiac muscle, indicate the... 7,729 Words | 64 Pages
  • heart disease - 1745 Words The current age composition of the United States population according to the 2011 Census 313,232,044 as of July 2011.. There is an increase of 9.7 % since 2000. The data shows that the male population grew 9.9%, which is somewhat more rapidly than the female population, which was 9.5%. Of the 308.7 million people, 157 million were female and 151.8 were male. People under the age of 18 were 112.8; people of age 45-64 were 81.5 million. The 40.3 million people of the 313,232,044 were age 65 and... 1,745 Words | 4 Pages
  • Heart Failure - 1007 Words There are so many diseases spreading out in the world, in every second some are born and some people die. Many people in the world fight for their lives in order to live longer and enjoy life with families and friends? But some people give up also because; they can no longer handle having too much pain and cling to a disease that only few people survive. Like having a Heart failure is one of the most dangerous diseases of both man and women. Heart failure means, the heart muscle isn't... 1,007 Words | 3 Pages
  • Heart Webquest - 382 Words 1. How does the heart change as it develops in a fetus? At first, the heart is just a tube. It grows so fast that it needs more space, so it bends and twists back, forming the familiar shape. During the next phase, the two atria are partly separate but there is just one big ventricle. The next phase begins when the two atria are completely separate and the ventricles are just beginning to separate. Finally, the ventricles separate completely and the heart is developed. 2. What is the largest... 382 Words | 1 Page
  • Heart Disease - 816 Words Cardiovascular disease is a group of things at are all combined together and are affected by this terrible disease. The things that get affected that involve the human heart are arteries, veins, blood vessels, and capillaries. Heart disease causes many different kinds of problems that are related to the process known as atherosclerosis. The condition happens to a person when a good size amount of plaque has built up in their arteries. The results from this occurring narrows the room inside of... 816 Words | 2 Pages
  • Heart Failure - 8396 Words right Before a heart Attack Your Body Will Give You These 4 Signs w3.newsmax.com Heart Failure Definition Heart failure is a condition in which the heart has lost the ability to pump enough blood to the body's tissues. With too little blood being delivered, the organs and other tissues do not receive enough oxygen and nutrients to function properly. Description According to the American Heart Association, about 4.9 million Americans are living with congestive heart failure. Of these, 2.5... 8,396 Words | 23 Pages
  • The rental heart - 798 Words The Rental Heart Kirsty Logan is an award-winning writer. She was born in 1984 and is currently living in Glasgow with her Girlfriend. The Rental Heart is a science-fiction short story, which takes place in the future. The short story is about a person, who, throughout his/her life, has to replace his/her heart every time he/she finds a new lover. The replaceable hearts are mechanical hearts, which apparently function like normal flesh-hearts even though the mechanical hearts literally... 798 Words | 3 Pages
  • Heart Disease - 940 Words 3/10/09 In our society today many people are considerably overweight. To be exact two out of every three Americans are overweight one third of which are considered obese. People who are overweight can have multiple problems and diseases in the long run due to being overweight. One of those diseases is heart disease. A couple reasons why people are so overweight are lack of exercise, poor diet, and unfortunately also heredity. Heredity is major factor when dealing with heart disease or... 940 Words | 3 Pages
  • The Good: Artificial Heart/Heart Transplant The Good: Artificial Heart/ Heart Transplants A natural heart has two pumps, each has two chambers. The right atrium pumps oxygen-depleted blood from the body into the right ventricle. The right ventricle pumps blood to the lungs. The left atrium sends aerated blood from the lungs into the left ventricle, which pumps blood out of the body. With each heartbeat, the two atria contracts together, followed by the large ventricles. Congestive heart failure is when the heart fails to pump blood.... 1,126 Words | 3 Pages
  • Heart and Points - 880 Words  1. Which layer of the heart wall consists of cardiac muscle tissue? (Points : 1) Epicardium Pericardium Myocardium Endocardium Hypocardium 2. Which blood vessel shown in the figure carries oxygenated blood to the lower thoracic cavity and the abdominal cavity of the body? (Points : 1) A B E F H 3. Blood leaving the left ventricle passes through which of the following structures? (Points : 1)... 880 Words | 9 Pages
  • The Human Heart - 883 Words The human heart is slightly bigger than the size of ones fist. It is situated at a very safe place which is between the cage bones, i.e., in the center of the chest. Usually it is slightly on the left side of the chest but in rare cases, it can be found on the right side. Heart is responsible for the blood flow to every single part of the body by constant contraction and relaxation of cardiac muscles. This is the reason why we hear rhythmic beats all the time. Heart pumps the pure blood to the... 883 Words | 4 Pages
  • Coronary Heart - 721 Words Coronary Heart Disease Coronary heart disease (CHD) is a disease in which a waxy substance called plaque (plak) builds up inside the coronary arteries. These arteries supply oxygen-rich blood to your heart muscle. When plaque builds up in the arteries, the condition is called atherosclerosis (ATH-er-o-skler-O-sis). The buildup of plaque occurs over many years. (nhlbi.nih.gov) CHD AND TREATMENTS: CHD is the most common type of heart disease. In the United States, CHD is the #1 cause... 721 Words | 3 Pages
  • Heart Attacks - 553 Words |Heart Attacks | |What You Should Know | |Jonathan Muamba | Heart Attacks: What You Should Know According to the National Heart, Lung, and Blood Institute, about 1.1 million Americans have a heart attack each year. About 40 percent of heart attacks are fatal. Because heart attacks often happen about one hour after symptoms first start, people typically can seek... 553 Words | 3 Pages
  • Heart Failure - 782 Words Running head: HEART FAILURE 1 Heart Failure Joeselyn Sequeira West Coast University HEART FAILURE 2 Heart Failure The heart is one of the body's most vital organ. The heart pumps blood throughout the body which carries nutrients other organs need. It also carries oxygenated blood to the lungs which allows us to breathe. Since the heart is so important, relying on it that it will do its job is necessary so we can live, but... 782 Words | 3 Pages
  • Heart Dissection - 538 Words Heart Dissection Sheep have a four-chambered heart, as do humans. By studying a sheep heart you can learn about your own heart at the same time. 1. Identify the right and left sides of the heart. Look closely and on one side you will see a diagonal line of blood vessels that divide the heart. The half that includes all of the apex of the heart is the left side. If you feel the heart, the left half will feel much firmer and more muscular than the right side. The left side of the heart has... 538 Words | 2 Pages
  • Artificial Heart - 1301 Words Artificial Heart The never ending pursuit of advancement by science and technology in its endeavor to ease the human life has been so tremendous that what we once thought was unfeasible is now a reality, such as in the creation of artificial organs. From an historic angle, no one would have ever imagined the possibility of providing a functional substitute for one of nature's creations. Since ancient times, people have viewed the heart as more than just a physical part of the living body. It... 1,301 Words | 4 Pages
  • Heart Rate - 373 Words Factors Affecting Heart Rate, Respiratory Rate, and Blood Pressure By Ann-Geyn PanganFor Michele MacKenieInvestigative Team:Biology 0993Nejat MuradOctober 14, 2014Jenn SakelariouIntroduction In class we studied circulatory system, especially the heart that plays a large part in human. We learned and analyzed its part and function in the body. The purpose of this experiment is to compare the readings of how the heart rate, respiratory rate and blood pressure respond to increasing levels of... 373 Words | 2 Pages
  • Chronic Diseases: Heart Disease Chronic Diseases: Heart Disease Heart disease is the most frequent condition affecting the heart, known as coronary artery disease. Over time, a buildup of cholesterol creates a substance of plaque on the inside of the coronary arteries blocking the blood flow to the heart causing it to damage the heart muscle. When a heart attack occurs, it creates permanent damage killing a portion of the heart. If the heart cannot effectively pump blood to the body, it will reduce the flow, and begin... 556 Words | 2 Pages
  • Blood Flow Through the Heart The heart is made up of four chambers, the left and right atria, and the left and right ventricles. “The left and right sides of the heart do not communicate with one another after birth and are separated by a thick interventrical or interatrial septum” (Prater, 2008). The top (atrium) and bottom (ventricle) parts of the heart are separated by a valve, which prevents the backflow of blood. Blood enters the heart through the inferior and superior vena cava carrying deoxygenated blood. The vena... 337 Words | 1 Page
  • Coronary Heart Disease - 518 Words Introduction Some 7 million Americans suffer from coronary heart disease (CHD), the most common form of heart disease. This type of heart disease is caused by a narrowing of the coronary arteries that feed the heart. CHD is the number one killer of both men and women in the U.S. Each year, more than 500,000 Americans die of heart attacks caused by CHD. Many of these deaths could be prevented because CHD is related to certain aspects of lifestyle. Risk factors for CHD include high blood... 518 Words | 2 Pages
  • Smoking and the Effects on the Heart - 1407 Words The Surgeon General has called it "the leading preventable cause of disease and deaths in the United States." Smoking is among the top preventable risk factors of heart disease amongst many other health problems. Coronary heart disease and strokes are the primary types of cardiovascular disease caused by smoking. They rank as the first and third leading causes of death in the United States. More than 61 million Americans suffer from some form of cardiovascular disease. Smoking increases your... 1,407 Words | 4 Pages
  • Heart Structure Functions - 468 Words Aorta: The aorta carries oxygenated blood to different parts of the body. It distributes blood to all the arteries. Brachiocephalic artery: The brachiocephalic artery carries oxygenated blood away from the heart. It supplies the brain, right arm, and neck with blood. Common carotid artery: The common carotid artery supplies oxygenated blood to the front of the brain as well as the head, neck, face, and spinal cord. Subclavian artery: The subclavian artery carries blood away from the heart and... 468 Words | 2 Pages
  • Congestive Heart Failure - 1013 Words Congestive heart failure distresses the heart’s function as a pump to meet the body’s needs, affecting many organs of the body including the liver, lungs, kidneys and the intestines. Untreated, this condition will affect virtually every organ in the body. (MedicineNet, 2012) According to Healthline.com congestive heart failure (CHF) is defined as, “A condition in which the heart can no longer pump enough blood to the rest of the body.” (Healthline, 2012) Heart failure is a serious disorder that... 1,013 Words | 3 Pages
  • The Risk Factors of Heart Attack  The Risk Factors of Heart Attack Heart attack is the death of a segment of heart muscle caused by the loss of blood supply. The blood supply is usually lost because a coronary artery, one that supplies blood to the heart muscle, has a blood clot, a blockage also known as coronary thrombosis or coronary disease. ("What Is A Heart Attack? What Causes A Heart Attack?" 2013) Heart disease is the number one killer of both men and women in America with approximately 460,000 related... 1,612 Words | 4 Pages
  • Coronary Heart Disease - 799 Words  Coronary Heart Disease (CHD) is a disease in which waxy substance called plaque builds up inside the coronary arteries. These arteries are used to supply oxygen-rich blood to your heart, so if they’re continuously blocked up, it can be very dangerous. If the flow of this oxygen-rich blood is reduced or blocked, a heart attack can occur. It is the number one cause of death in the United States for both men and women and although this type of disease mainly happens at an older age, it can... 799 Words | 2 Pages
  • Heart Circulatory System - 14069 Words Chapter 19 The Circulatory System: THE HEART 19.1 Overview of the Cardiovascular System 720 Cardiology – the scientific study of the heart and treatment of its disorders. The Pulmonary and Systemic Circuits 721 Cardiovascular system - consists of the heart and the blood vessels. The heart functions as a muscular pump that keeps blood flowing through the vessels. The vessels deliver the blood to all the body’s organs and then return it to the heart (figure 19.1). (page 720)... 14,069 Words | 57 Pages
  • Racing Against Your Heart Racing Against Your Heart Friedman, M,. & Roseman, R.H. (1959). Association of specific over behavior pattern with blood and cardiovascular findings. Journal of the American Medical Association, 169, 1286-1296. This study by Friedman came about in a very odd way, and dared to take a look at things not understood and in an area no one had before ventured. Dr. Friedman was having the upholstery redone on the couches and chairs in his office, since with so much traffic from patients, it... 635 Words | 2 Pages
  • Angina Pectoris: the Heart Killer Introduction In today's society, people are gaining medical knowledge at quite a fast pace. Treatments, cures, and vaccines for various diseases and disorders are being developed constantly, and yet, coronary disease remains the number one killer in the world. The media today concentrates intently on drug and alcohol abuse, homicides, AIDS, and so on. What a lot of people aren't realizing is that coronary disease actually accounts for about 80% of sudden deaths. In fact, the number of... 1,570 Words | 6 Pages
  • Sheep Heart Dissection - 914 Words Sheep Heart Dissection Purpose: Sheep have a four-chambered heart, just like humans. By studying the anatomy of a sheep's heart, you can learn about how your own heart pumps blood through your body and keeps you alive!. Procedure Observation: External Anatomy Most heart diagrams show the left atrium and ventricle on the right side of the diagram. Imagine the heart in the body of a person facing you. The left side of their heart is on their left, but since you are facing them, it is on... 914 Words | 3 Pages
  • Left Ventricle Heart Failure Introduction Heart Failure is a complex disease that can result from any structural or functional cardiac disorder that impairs the ability of the ventricle to fill or eject blood (Heart Foundation, 2012). Heart failure is a condition or process where the heart is unable to pump enough blood to meet the body’s needs. As opposed to a cardiac arrest, the heart doesn’t cease to beat; it becomes weaker, usually occurring over several months or years. The heart becomes unable to pump adequate blood... 4,597 Words | 14 Pages
  • The Broken Heart Analysis - 683 Words “The Broken Heart” Analysis In John Donne’s poem, “The Broken Heart”, Donne shows the predacious nature of love and the true faintness of the heart through the use of metaphors. This poem sets a mood of despair and sorrow; moods that reveal the regret of love. It opens the reader’s eyes to realize just how vulnerable the heart can be when dealing with love. Donne associates love with the negative; he portrays it as some evil entity that overtakes people without warning and, if not careful,... 683 Words | 2 Pages
  • Cow Heart Dissection - 581 Words  Cow Heart Dissection By: Ashley McAllister 3/16/2014 Ashley McAllister Anatomy Miss Reilmann March 16, 2014 Cow Heart Dissection A. Background Information When the class dissected the cow heart last Thursday there were a lot of different things that could be seen. The purpose of this particular dissection was to see how the heart worked and pumped blood so that the body was able to receive the nutrients and oxygen it needed to survive. The cow heart and a human heart... 581 Words | 3 Pages
  • Heart Disease 2 - 1151 Words Topic: Heart Disease Specific Topic: How to prevent heart disease. General Purpose: To Inform Specific Purpose: To inform my audience that heart disease is the number one killer in the U.S. Central Idea: Being well informed about the disease and how to prevent it. Pattern: Spatial Introduction: I. Have you been around when someone was having a heart attack? Unlike me I have been in this situation and can tell you from experience it is a scary situation to be in, and my hopes is to never have... 1,151 Words | 3 Pages
  • Congestive Heart Disease - 316 Words Essay on Congestive Heart Failure According to a recent study, people over 40 have a 1 in 5 chance of developing Congestive Heart Failure in their lifetime. Nearly 5 million people in the United States—mostly older adults—already have Congestive Heart Failure, and the number of people with Congestive Heart Failure keeps rising. About 550,000 people develop Congestive Heart Failure each year. This is because people are living longer and surviving heart attacks and other medical conditions that... 316 Words | 2 Pages
  • Congestive Heart Failure - 1577 Words Congestive Heart Failure Congestive Heart Failure is a condition in which the heart cannot pump enough blood to meet the needs of the rest of the body (Department of Health & Human Services, 2012). The failure can occur in on either side of the heart. In left-side heart failure, fluid backs up into the lungs, causing shortness of breath, due to the fact that the blood entering the left side of the heart comes from the pulmonary artery, and when the left ventricle cannot pump fluid out of... 1,577 Words | 5 Pages
  • Heart Lung Machine - 266 Words HEART-LUNG MACHINE eng. Hassanain Ali Lefta Mossa *, [email protected] During an open-heart surgery (such as valve surgery), an extracorporeal (i.e. outside the body) equipment called the heart-lung machine takes over the functions of the heart and lungs, so that the heart can be carefully stopped while the vital organs continue to receive blood and oxygen. The surgeon can then operate in a blood-free surgical field without interference from bleeding or the heart's pumping motion. The... 266 Words | 1 Page
  • Heart Disease Prevention - 811 Words Exercise is the one of the best – and most enjoyable – ways of lowering the chances of developing heart disease. Regular exercise helps the heart to become stronger, so it can pump more blood around the body with less effort. Smoking avoidance not only reduces the risk of developing heart disease, but also the risk of many other serious illnesses, like cancer and emphysema. High blood pressure increases the chances of developing heart disease. There are usually no signs or symptoms of high... 811 Words | 3 Pages
  • Heart and Right Atrium - 2156 Words The heart is a hollow muscular organ that pumps blood throughout the blood vessels to various parts of the body by repeated, rhythmic contractions. It is found in all animals with a circulatory system, which includes the vertebrates. The adjective cardiac means "related to the heart" and comes from the Greek καρδιά, kardia, for "heart". Cardiology is the medical speciality that deals with cardiac diseases and abnormalities. The vertebrate heart is principally composed of cardiac muscle and... 2,156 Words | 6 Pages
  • Heart and Stone Therapy - 705 Words 322 Apply stone therapy massage 322 Apply stone therapy massage By Lucy Barnett By Lucy Barnett Task 1a * The importance of carrying out a detailed body analysis & relevant tests is so that you can pick up on any posture faults, avoid any areas which may be contra indicated and you are able to give them information on ways to improve their posture. It is important to carry out relevant tests such as cold or hot and sharp and blunt so that you are sure the client can feel the... 705 Words | 3 Pages
  • Heart and Reloaded Case Study Lewis and Clark Reloaded Case Study Directions: Go to this website: http://sciencecases.org/bicycle_ride/bicycle_ride.asp Complete the Answers to Parts I, II, and III Part I 1. What body systems are primarily affected and what physiological changes would you expect Joe and Frank to experience during such rigorous exercise? Respiratory, circulatory, cardiovascular and musclar systems because the heart would be worked to its peak, you can lose breath easily riding so long, and... 414 Words | 2 Pages
  • Facts About Human Heart The Human Heart 1. The average adult heart beats 72 times a minute; 100,000 times a day; 3,600,000 times a year; and 2.5 billion times during a lifetime.f 2. Though weighing only 11 ounces on average, a healthy heart pumps 2,000 gallons of blood through 60,000 miles of blood vessels each day.c 3. A kitchen faucet would need to be turned on all the way for at least 45 years to equal the amount of blood pumped by the heart in an average lifetime.a 4. The volume of blood pumped by the heart can... 1,045 Words | 3 Pages
  • The Cardiovascular System: the Heart 18: The Cardiovascular System: The Heart You should be able to speak intelligently to all of these, but the bolded objectives are test material. Objectives Heart Anatomy 1. Describe the size, shape, location, and orientation of the heart in the thorax. 2. Name the coverings of the heart. 3. Describe the structure and function of each of the three layers of the heart wall. 4. Describe the structure and functions of the four heart chambers. Name each chamber and provide... 1,548 Words | 6 Pages
  • Heart Rate and Exercise - 1441 Words Literature Review The human heart is a very complicated organ, with the main purpose to pump life sustaining blood throughout the human body. It also supplies oxygen and nutrients to all areas and clears harmful waste from the body. The heart is made up of cardiac muscle which beats on its own. According to the article ‘heart ‘which was written by The National Geographic the heart will slow down or speed up depending on how the body is being used. This is done by nerve signals which are... 1,441 Words | 5 Pages
  • The Features, Structures and Functions of the Heart Feature Structure Function Atria (singular atrium) thin walled no valves rough pectinate muscles sinus node (impulse generating tissue) interatrial septum Right atrium: Receives deoxygenated blood returning to the heart from the vena cava and pumps it to the right ventricle. Left atrium: Receives oxygenated blood returning to the heart from the pulmonary veins and pumps it to the left ventricle. Ventricles thicker walls (than atria), the left is thicker than the right as blood must be pumped... 594 Words | 3 Pages
  • Heart of Darkness: the Journey in to the Unconscious Marlow’s journey in Heart of Darkness, by Joseph Conrad, traverses not only the volatile waters spanning the Congo, but also ventures in to his unconscious self. It is a voyage into the depths of the human heart and mind, leading to enlightenment revealing of the crevices of the hell existing within each and every one of us. Although through Marlow, Conrad depicts a journey into the Congo, his use of symbolic language evokes that it is something much more profound, a journey in to the self.... 1,478 Words | 4 Pages
  • Heart Disease in Women - 3418 Words The number leading cause of death among women in the United States (US) is heart disease; it is also the leading cause of disability among women. Currently, “8 million women in the US are living with heart disease; 35,000 are under the age of 65” (Women’s Heart Foundation, 2011). Among American women in 2005 over 36 million were age 55 or older increasing their risk of coronary heart disease (Garvin, Moser, Riegel, McKinley, Doering, & An, 2003). . Coronary heart disease claims the lives of... 3,418 Words | 10 Pages

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