Question

why mammals and birds have four chamberd heart,??

Answer 1

MAMMALS AND BIRDS HAVE 4 CHAMBERD HEART BECAUSE


Mammals and birds have the most efficient heart with four chambers that completely separate the oxygenated and deoxygenated blood; it pumps only oxygenated blood through the body and deoxygenated blood to the lungs.

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Answer 2

Hi there mate☺
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Mammals and birds have four chamberd heart
because it has to perform double circulation of blood flow in first it has to carry oxygenated blood to all over the body and then it also has to bring deoxygenated blood from the body towards heart so mammals and birds have four chambered heart.
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