The Human Heart. Abstract: Dorlands Illustrated Medical Dictionary defines the heart as "the viscus of cardiac muscle that maintains the circulation of the line of work". It is shared out into cardinal cavities; two atria and two ventricles. The left-hand(a) atrium receives oxygenated air 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 by and by it has passed through the tissues and has given up frequently of its oxygen. The blood thence passes through the right ventricle into the lungs where it gets oxygenated.
at that place are quartet major valves in the heart; the left atrioventricular valve (also cognize as the mitral or bicuspidate valve), the right atrioventricular valve (tricuspid), aortic valve, and the pulmonary valve. The heart tissue itself is nourished by the blood in the coronary arteries.2 line of the Heart indoors the Body: T...If you want to get a full essay, bon ton it on our website:
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