Question

Four-chambered heart is a characteristic of which reptile?

Answer 1

Four chambered heart:

1. Four chambered heart is found in the reptile crocodile. Although reptiles show three-chambered hearts generally. Thus, the crocodile is an exception to it. It carries two auricles and two ventricles, just like mammals.
2. As crocodiles spend most of the time underwater, thus this adaption helps in reducing the circulation rate of blood and saves oxygen.
3. Crocodiles are known to have the most complicated kind of blood circulation among vertebrates.