Explain purification and distribution of blood by human heart. for 4 make
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The heart acts as a pump.. It is divided into a right and left portion.. The right portion recieves blood (which is impure) from the body and pumps the same to the lungs purification (oxygenation).. The impure blood enters the heart from two large veins called the superior and inferior vena cava...
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The heart acts as a pumps. It is divided into right and left portion. The right portion recives blood (which impure) from the body and pumps the same to the lungs for purification.(oxygenation).The impure blood enters the heart from two large veins called the superior and inferior vena cava.
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