Which organism has a three-chambered heart?

A) human
B) amphibian
C) arthropod
D) bird
E) fish

Three-Chambered Heart

A type of heart structure found in some amphibians and reptiles, consisting of two atria and one ventricle, allowing for a degree of separation between oxygenated and deoxygenated blood.

Amphibian

Tetrapod with scaleless skin; it typically develops in water, then lives on land as a carnivore with lungs. For example, a frog or salamander.

Organism

An individual that consists of one or more cells.