The Human Heart

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Pre-written Papers:

Title: The Human Heart

Essay Details:

Subject: Miscellaneous

Author: Susan R

Date: March 20, 2015

Level:

Grade: A

Length: 12 / 3436

Essay text:

The right atrium receives the blood after it has passed through the tissues and has given up much of its oxygen. The blood then passes through the right ventricle into the lungs where it gets oxygenated. There are four major valves in the heart; the left atrioventricular valve (also known as the mitral or bicuspid 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 Position of the Heart Within the Body: The heart is placed obliquely in the chest. The two atria are directed upwards and backwards to the right and are at the level of the fifth through the eight dorsal vertebrae...

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