Science, asked by nidrko7kakalnav0itra, 1 year ago

What is double circulation in human beings? Why is it necessary?

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Answered by HARISHCHANDRA

Double circulation in humans refers to two different circuits of blood circulation, according to the BBC. Humans and all other mammals have double circulatory systems. One circuit takes blood to the lungs to pick up oxygen, and the other circuit brings oxygenated blood to all other tissues

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