Question

Mammals and birds have four chambered heart.Why for the 10th student

Answer 1

In mammals and birds, the heart is also divided into four chambers: two atria and two ventricles The oxygenated blood is separated from the deoxygenated blood, which improves the efficiency of double circulation and is probably required for the warm-blooded lifestyle of mammals and birds.

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Answer 2

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In mammals and birds, the heart is also divided into four chambers: two atria and two ventricles . The oxygenated blood is separated from the deoxygenated blood, which improves the efficiency of double circulation and is probably required for the warm-blooded lifestyle of mammals and birds.