試題詳解

26. Some crocodiles and turtles have an exceptional ability to divert blood flow through the heart when they are diving and no longer breathing and exchanging gases. What most likely occurs when these animals dive?
(A)Instead of flowing to the lungs, blood travels to the rest of the body to support bodi
(B) Instead of flowing to the body, blood travels to the lungs to exchange gases.
(C)Instead of flowing to the capillaries, blood travels to alveoli to exchar
(D) Blood flow ceases altogether since gases cannot be exchanged while diving.