what is working of hu.an heart
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human heart pumps the blood to transport it to the whole body.
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this is the function but i want working of human heart
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Answer:Blood flows through your heart and lungs in four steps: The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle through the tricuspid valve. The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
Explanation:
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