Even though the ventricles of reptiles are pa | vedclass

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Question

(C) In reptiles (except crocodiles),the heart is three-chambered,consisting of two auricles and one incompletely divided ventricle. Because the ventri

Vedclass · Accepted Answer

Heart is partially four-chambered

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(C) In reptiles (except crocodiles),the heart is three-chambered,consisting of two auricles and one incompletely divided ventricle. Because the ventricular septum is incomplete,oxygenated blood from the left auricle and deoxygenated blood from the right auricle mix within the ventricle before being pumped out to the body. Therefore,the heart is considered to be partially four-chambered,which leads to the mixing of blood.

Even though the ventricles of reptiles are partitioned,there is still mixing of blood. Why?

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