Describe the external features of heart?
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Describe the external features of heart?
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Answer:
the heart is a muscular organ that collect the deoxygenated blood and send it to the lungs for purification and pumps the oxygenated blood to the rest of the body. The 4 major blood vessels appearing out of the heart are superior Vena cava , inferior Vena cava, Pulmonary artery and pulmonary vein. The Pulmonary artery is only artery that carry deoxygenated blood.The Pulmonary vein is the only Vein that carry oxygenated blood