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Pulmonary Artery Vena Cava
1,945 wordsHeartthe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the bodys midline, above and in contact with the diaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with its apex tilted to the body cavity's left side. In most people the apex can be felt during each heart contraction. At rest, the heart pumps about 59 cc (2 oz) of blood per beat and 5 l (5 qt) per mi...
Free research essays on topics related to: connective tissue, pulmonary artery, heart muscle, mitral valve, vena cava -
Pulmonary Artery Heart Failure
884 wordsHeart Murmur, Atherosclerosis, 038; Heart Failure A heart murmur is a sound caused by blood flowing through a childs heart or through blood vessels entering or leaving the heart. More that 50 percent of all people will be diagnosed with a heart murmur sometime in their lives. When a childs doctor or nurse practitioner detects a heart murmur, this causes many parents quite a bit of anxiety, especially if they have relatives with heart disease. Luckily, in most children a heart murmur does not ...
Free research essays on topics related to: heart attack, pulmonary artery, heart disease, blood flow, heart failure -
Divided Into Four Pulmonary Artery
3,525 wordsTheHheart Biology Histology The Human Heart. Abstract: Dorlands 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 p...
Free research essays on topics related to: mitral valve, pulmonary artery, vena cava, coronary arteries, divided into four -
Tricyclic Antidepressants Coronary Artery
4,629 wordsCardiac Location and Structures The heart is the driving force of the circulatory system, contracting about 70 times / minute to pump an adequate volume of blood with sufficient pressure to perfuse all body organs and tissues. The muscular organ, about the size of a clenched fist, weights from 300 to 400 g. It is located within the mediastinum of the thoracic cavity, above the diaphragm and between the lungs. This location subjects the heart? s activity to influence from all pressure variances d...
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Red Blood Cells Pulmonary Artery
6,589 wordsForwards and backwards to the right and are at the same level of the fifth to eight dorsal vertebrae. The apex of the heart points downwards and forwards to the left and corresponds to the space between the fifth and sixth ribs. However, in thin people, the hearts apex may be pointing more downwards than to the left. Its atrial border corresponds to a line drawn across the sternum on a level with the upper border of the third costal cartilage. Its apex corresponds to a line drawn across the lowe...
Free research essays on topics related to: vena cava, pulmonary artery, mitral valve, coronary arteries, red blood cells
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