What is characteristic of birds (Aves) and ma | vedclass

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(C) Birds $(Aves)$ and mammals possess a $4$-chambered heart.In these organisms,the blood flows through the heart twice in one complete cycle,which is

Vedclass · Accepted Answer

Double and closed circulatory system

Vedclass · Answer

(C) Birds $(Aves)$ and mammals possess a $4$-chambered heart.In these organisms,the blood flows through the heart twice in one complete cycle,which is known as double circulation.Furthermore,the blood remains confined within blood vessels (arteries,veins,and capillaries) throughout the circulation,which is defined as a closed circulatory system.Therefore,birds and mammals exhibit a double and closed circulatory system.

What is characteristic of birds $(Aves)$ and mammals?

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