describe the flow of blood through the heart of human beings
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when heart start pumping the blood the blood circulate in the whole path of our nervous which helps our body to work properly and also helps to move our body parts
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Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. ... As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
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