describe the function of human heart?
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Its main function is to pump blood throughout the body and pure blood,etc
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the human heart is made of cardiac muscles which contract and relax tirelessly to pump blood. it takes in deoxygenated blood from the veins and sends it to the lungs through pulmonary artery where it gets purified. Then the oxygenated blood goes to heart by pulmonary vein and then to all over the body by arteries
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