As Compared to the Circulatory System of Most Fishes, the Circulatory

Multiple Choice

As compared to the circulatory system of most fishes, the circulatory system of adult amphibians has the advantage of

A) a four-chambered heart.
B) heart metamorphosis.
C) a partial separation between pulmonary and systemic circulation.
D) a pocket of the gut that serves as an air bladder.
E) separation between oxygenated and deoxygenated blood.