Heart Essays

  • The Heart: The Anatomy Of The Heart

    1307 Words  | 3 Pages

    Billy Shuibi
Bio 100
11 May 2016

 The heart is one of the most unique organs in the human body. Its capabilities and functions truly are amazing. The heart 's function is to pump blood throughout the body supplying oxygen and nutrients to tissues. The heart is the size of your fist and weighs roughly 8-12 ounces depending if you’re male or female. The heart pumps through 100 kilometers of blood vessels for blood that is 3 to 4 times thicker than water at 60 to 80 times minute

  • The Heart: The Layerss Of The Heart

    1305 Words  | 3 Pages

    . The layers of the heart wall include epicardium, myocardium, and endocardium. Epicardium is the surface of the wall and it’s also called visceral pericardium. It contains serous membrane covering the heart. Myocardium is in the middle of the two layers it’s described as having a thick muscular layer of the heart. It serves as having contractions of the heart as well in containing fibrous skeleton in networking of collagenous and elastic fibers. Some of the functions are providing structural support

  • The Heart Of Heart Disease

    1115 Words  | 3 Pages

    Heart disease, also known as cardiovascular disease, is a disorder that affects the heart. Heart disease is the leading cause of death of most ethnicities in the United States, including African Americans, Hispanics, and Whites. For American Indians or Alaska Natives and Asian or Pacific Islanders, heart disease is the second leading death. Although heart disease is often thought of as a problem for men, more women than men die of heart disease each year. The most common heart attack symptom in women

  • The Heart

    1796 Words  | 4 Pages

    “The heart” The Heart is a very important organ in the body. It is what keeps your blood flowing and your organs going. It is a tireless muscle that pumps more than two thousand gallons of blood every day. The blood that is pumped is filled with nutrition and oxygen (Colombo 7). It travels through out your body in less than sixty seconds. So it needs to be taken extra good care of. When abuse is put on the body, the heart’s performance is not at its best. The Heart is a major organ that needs loving

  • The Heart Of Heart Disease

    1785 Words  | 4 Pages

    American women, heart disease is also one of the major diseases killing our women. Heart disease is one of the nation’s leading causes of death in both woman and men. About 600,000 people die of heart disease in the United States (Americas heart disease burden, 2013). Some facts about heart disease are every year about 935,000 Americans have a heart attack. Of these, 610,000 are a first heart attack victim. 325,000 happen in people who have already had a heart attack. Also coronary heart disease alone

  • Function Of Heart: The Functions Of The Heart

    937 Words  | 2 Pages

    The function of the Heart: The heart is the centre of the circulatory system which functions as a pump for the movement of the blood through the body, through a transport system of arteries, veins and capillaries. If blood is the body’s fuel, the heart is its engine. When the heart is relaxed it is called diastole - the resting phase of the heart and when the ventricles of the heart contract, it is called systole - the working phase of the heart. The blood circulation is two closed systems. The

  • The Importance Of The Heart

    852 Words  | 2 Pages

    Heart is the giver of life and it sustains life. Everyone in this world wants to have a healthy life. All these connotations signify heart is a primary organ around which any living beings life is revolving. Having healthy heart plays an inextricable role in quality and the length of our life. The heart is inconsistently resilient and competent of a persistent workload but liable to disease and failure as the people don’t pay requisite care that the heart deserves. The heart is located in the center

  • The Heart Essay

    675 Words  | 2 Pages

    The heart is a very important organ in the body. It’s around the size of someone’s hand closed up together in a fist and is located in the chest between the lungs. The main purpose of the heart is to pump blood around the body ( The Structure of the Heart). The heart consists of epicardium, myocardium, and endocardium layers that protect its walls. The epicardium is the membrane of the external heart surface. The endocardium lines the interior portion of the chambers in the heart. Lastly, between

  • The Human Heart

    3417 Words  | 7 Pages

    Abstract:Dorland's Illustrated Medical Dictionary defines the heart as "the viscus of cardiac muscle that maintains the circulation of the blood". It is divided into four cavities; two atria and two ventricles. The left atrium receives oxygenated blood from the lungs. From there the blood passes to the left ventricle, which forces it via the aorta, through the arteries to supply the tissues of the body. The right atrium receives the blood after it has passed through the tissues and has given up much

  • Heart

    1045 Words  | 3 Pages

    PRACTICAL EXERCISE 4 HEART STRUCTURE AND CIRCULATION Q.1 Describe the heart sounds you hear. Explain the origin of two sounds. Two heart sounds are normally heard through a stethoscope on the chest wall, "lab" "dap". The first sound can be described as soft, but resonant, and longer then the second one. This sound is associated with the closure of AV valves (atrioventricular valves) at the beginning of systole. The second sound is louder and sharp. It is associated with closure of the pulmonary

  • Heart Pathophysiology

    733 Words  | 2 Pages

    These causes will change the heart significantly. The pathophysiology of heart failure is described differently as: (1) an oedematous disorder, by means of which the deviations in renal hemodynamics and excretory ability lead to salt and water holding; (2) a hemodynamic disorder, considered by peripheral vasoconstriction and decreased cardiac output; (3) a neurohormonal disorder, mainly by stimulation of the renin-angiotensin-aldosterone system and adrenergic nervous system; (4) an inflammatory

  • Hearts of Darkness

    874 Words  | 2 Pages

    Hearts of Darkness I walked in the door with shaky hands and my heart beating a mile a minute. The building was beautifully decorated and I felt very out of place. I had never had a job before and was nervous that busing tables at a country club wasn't really for me. I walked into the linen room and put on my burgundy bus coat for the first time. Now I was feeling more excited than nervous. I would meet people and learn new things. Maybe this would not be so bad. Everyone seemed very nice and

  • A Healthy Heart

    1192 Words  | 3 Pages

    the heart starts pounding until the time of death, it may beat more than 3.5 billion times. The center of the circulatory system is the heart. The average heart beats 100,000 times each day, pushing around 2,000 gallons of blood throughout your body. With a life span of 70-90, the heart will beat two to three billion times and circulate 50-65 million gallons of blood. The hearts role is to pump oxygenated blood to every cell in the body by having a continuous beat. Throughout time the heart has

  • Heart Donation

    1946 Words  | 4 Pages

    upon checking with the donor registry board, it is discovered that the best match for receiving the heart of the Florida man is a male in Oregon who is in desperate need of a heart transplant. Without the transplant, the man will most certainly die within 48 hours. The second man's tissues match up perfectly with the brain-dead man's in Florida. This seems like an excellent opportunity for a heart transplant. However, a transplant is currently not a viable option for the Oregon man since he is separated

  • Heart Measure And Heart Failure

    1286 Words  | 3 Pages

    Introduction Heart failure, many people think that it means the heart is no longer working at all. Besides, they would believed that there’s nothing can be done if they were diagnosis with heart failure. But actually heart failure only means that the heart isn’t pumping as well as it should be. It is a chronic and progressive condition which the heart can’t keep up with its workload. With heart failure, the weakened heart can’t supply the cells with enough blood and so the blood and fluid can

  • Physics of the Heart

    921 Words  | 2 Pages

    In the US, heart attacks kill more people than any other single cause. Many of the deaths are caused by electrical disturbances in a damaged heart that cause it to fibrillate (Pool). Despite current overwhelming interest in the operations of the human heart, for most of history the human heart has been regarded as a "forbidden organ too delicate to tamper with" (NOVA). In fact, it might have remained so, were it not for World War II where military doctors, faced with massive numbers of injuries ushered

  • Heart

    1770 Words  | 4 Pages

    Artery Disease Heart Disease Heart disease can take many forms. The form of heart disease I am focusing on is coronary disease. Different arteries supply different areas of the heart with oxygenated blood. If one or more of these arteries become narrowed or clogged as a result of coronary artery disease, or atherscelorosis the artery cannot fully supply the part of the heart it is responsible for. The heart is an effective pump only when good blood supply is maintained to all heart muscles. If an

  • Heart Valve Replacement

    844 Words  | 2 Pages

    The heart is a pump made of muscle tissue. The heart has four pumping chambers: two upper chambers, called atria, and two lower chambers, called ventricles. To keep the blood flowing forward during its journey through the heart, there are valves between each of the heart's pumping chambers. These valves are the tricuspid valve, the pulmonary valve, the mitral valve, and the aortic valve. The tricuspid valve is located between the right atrium and the right ventricle. The pulmonary valve is located

  • Heart Rate Investigation

    1025 Words  | 3 Pages

    Analysis As seen in the processed data table, as the intensity of the exercise increases, so does the participant’s heart rate. The graph also supports this by demonstrating that the two variables have a close positive and linear relationship. The data points are close to the trendline which has a positive gradient of 0.3839. The r2 value of 0.9791 is very close to 1, meaning that it has a strong positive relationship. The value also shows that the two variables have a positive correlation in which

  • Heart Disease Essay

    845 Words  | 2 Pages

    to examine leading factors of heart disease as well researching possible devices and medication that can help in dealing with heart disease. All the articles agree that heart disease is a major problem, Morales further found that heart disease is the leading cause of death for both Hispanics and Americans—other cultures are unknown (Morales, Kington, pg. 8). However, the most common heart disease are coronary heart disease and cardiovascular disease with coronary heart disease being the leading cause