This animal has two atria and two ventricles and two vascular circuits. This animal is a(n) ____.
A) mountain bluebird
B) fire-bellied toad
C) trout
D) lobster
E) cod

Question

This animal has two atria and two ventricles and two vascular circuits. This animal is a(n) ____.​
A) mountain bluebird​
B) ​fire-bellied toad
C) ​trout
D) ​lobster
E) ​cod

Quizplus · Accepted Answer

Mountain bluebirds, like all birds, have a heart with two atria and two ventricles, allowing for complete separation of oxygenated and deoxygenated blood, which supports their high metabolism and endothermic (warm-blooded) nature.

This Animal Has Two Atria and Two Ventricles and Two