"Heart" Essays and Research Papers

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  • The Heart

    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: Microscopic

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  • The Heart

    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. Cephalopods

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  • The Good: Artificial Heart/Heart Transplant

    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. Heart failure

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  • Heart Failure

    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 sometimes

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  • Guyton-the Heart

    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 begin

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  • Coronary Heart

    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 of

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  • Heart Transplant

    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 with end-stage heart failure or severe

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  • Heart and Lungs

    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

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  • heart disease

    like heart disease and stroke. Heart disease has controllable risk factors like‚ hypertension‚ high cholesterol‚ diabetes tobacco use‚ obesity and poor diet. It is important for one to address these risks early because only then he or she can prevent the problems of cardiovascular disease. A poor diet that consists of high fat‚ high cholesterol and excess salt can add to causes for heart disease. The chemicals in cigarettes harm ones’ blood cells‚ and damage the function of his or her heart and blood

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  • Heart Diseases

    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

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