This Animal Has Two Atria and One Ventricle and Two

Question

This animal has two atria and one ventricle and two vascular circuits. This animal is a(n) ____.​
A) salmon​
B) ​woodpecker
C) ​alligator
D) ​rat
E) ​frog

Accepted Answer

Frogs have a three-chambered heart, consisting of two atria and one ventricle, and they have two vascular circuits: the pulmonary circuit (lungs and skin) and the systemic circuit (body).

This animal has two atria and one ventricle and two vascular circuits. This animal is a(n) ____.​

This animal has two atria and one ventricle and two vascular circuits. This animal is a(n) ____.