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Pulmonic valve separates the right ventricle and the pulmonary artery. The heart is: Composed of three layers: endocardium, myocardium, and epicardium. Surrounded by a fibroserous sac called the pericardium. The right side of the heart receives blood from the body (via the vena cava) and pumps it to the lungs where it is oxygenated. ................
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