Biology, asked by zacriana007, 7 months ago

describe double circulation of blood in humans...

Answers

Answered by Anonymous

Answer:

The oxygenated blood from the lungs returns to the heart, which is pumped again into different parts of the body by the heart. Thus, the blood passes twice through the heart making one complete round through the body. This is called double circulation.

Answered by suniltiwari644

double blood circulation is are of two types arteries and veins firstly working of arteries is present in oxygen secondly working of veins

is present in carbon dioxide these are double blood circulation

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