Which of the following is not an advantage of having separate pulmonary and systemic circuits for birds and mammals?
A) It prevents mixing of blood high in oxygen with blood low in oxygen.
B) It maximizes respiratory gas exchange.
C) It allows shunting of blood during diving.
D) The two circuits can operate at different pressures.
E) Blood with the highest oxygen content always enters the systemic circuit.

Question

Quizplus · Accepted Answer

C is not an advantage of having separate pulmonary and systemic circuits specifically for birds and mammals, as it refers to an adaptation found in some aquatic mammals and reptiles that allows them to conserve oxygen while diving, not a general feature of the separate circulation systems in birds and mammals.

Which of the Following Is Not an Advantage of Having