Which reptile has a four-chambered heart?

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(C) Most reptiles possess a three-chambered heart,consisting of two atria and one partially divided ventricle. However,the order $Crocodilia$,which in

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Crocodile

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(C) Most reptiles possess a three-chambered heart,consisting of two atria and one partially divided ventricle. However,the order $Crocodilia$,which includes crocodiles,alligators,and gharials,is an exception. They possess a fully developed four-chambered heart,consisting of two atria and two ventricles,which allows for more efficient separation of oxygenated and deoxygenated blood.

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