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 breathing-organ and systemic circulation.
D) a pocket of the gut that serves as an air bladder.
E) a separation between oxygenated and deoxygenated blood.