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) a single circuit.
C) partially-separate circuits for gas exchange and systemic delivery of blood.
D) a pocket of the gut that serves as an air bladder.
E) complete separation between oxygenated and deoxygenated blood.