Crocodiles have a ______ chambered heart.

🔑 Key Points
Crocodile Adaptation
→ Adaptation to their maximum portion of the life cycle is done in water since they need to minimize the oxygen loss when submerged.
→ The four-chambered hearts decrease the heartbeat by 2-3 beats per minute and normalize this rate when the crocodile is above water.

Crocodile Circulatory System
→ The crocodile may have the most complex circulatory vertebrate system.
→ It has a four-chambered heart and two ventricles, an uncommon characteristic among current reptiles.
→ Both the left and right aorta are connected by a hole called the Panizza Foramen.

Family
→ Crocodiles belong to the Crocodylidae family.