NEET BIOLOGY

Detailed explanation-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.

Detailed explanation-2: -Crocodiles are an exception as they have a four-chambered heart (two atria and two ventricles). They have a complicated blood circulation system as they spend most of their time underwater. The four-chambered heart reduces the rate of circulation and prevents oxygen loss.

Detailed explanation-3: -All reptiles have a three-chambered heart, except the crocodile, alligators which has a four-chambered heart. All other members of Reptilia have three chambered hearts with an incomplete septum in the ventricle.

Detailed explanation-4: -Reptiles are turtles, snakes, lizards, alligators and crocodiles. Unlike amphibians, reptiles breathe only through their lungs and have dry, scaly skin that prevents them from drying out.

Detailed explanation-5: -Final Answer: The crocodile has a 4-chambered heart.