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answer type questions(a) Explai(b) Whow blood circulation takes place in humans.

Answer»

It consists of the heart and thebloodvessels running through the entire body. The arteries carrybloodaway from the heart; the veins carry it back to the heart. ... The pulmonarycirculationis where the fresh oxygen we breathe in enters theblood. At the same time, carbon dioxide is released from theblood



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