Question

what is the importance of 4 chamber heart in birds in comparison 2 chamber heart in fish​

Answer 1

In mammals and birds, the heart is also divided into four chambers: two atria and two ventricles (figure d). 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

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. The four-chambered heart of birds and mammals evolved independently from a three-chambered heart.

Explanation:

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