Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Match the following

• A. 4-chambered
• B. 2-chambered
• C. 3-chambered

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Amphibians and reptiles, such as frogs, toads, lizards and snakes, have three-chambered heart, one ventricle and two atria but reptiles like crocodiles and aligators are exceptions with four chambered heart.

Fishes are two-chambered with one atrium and one ventricle. Mammals and birds have four-chambered hearts with two atria and two ventricles