Crocodiles have a _____ chambered heart.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e four
1. Crocodile belongs to class Reptilia, which are cold-blooded animals.
2. All reptiles have a 3 chambered heart.
3. The crocodilian has perhaps the most complex vertebrate circulatory system.
4. It has a four-chambered heart and two ventricles, an unusual trait among extant reptiles, and both left and right aorta which is connected by a hole called the Foramen of Panizza.