Question

what is the significance of double circulation

Answer 1

Double circulation helps in the complete purification of blood in mammalian heart.
It prevents in mixing of the oxygenated blood with the deoxygenated blood in mammalian heart...

Answer 2

Double circulation is a process during which blood passes twice through the heart during one complete cycle. This type of circulation is found in amphibians, reptiles, birds, and mammals. However, it is more prominent in birds and mammals as in them the heart is completely divided into four chambers – the right atrium, the right ventricle, the left atrium, and the left ventricle...........

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