Respiratory exchange requires a membrane that is or does all of the following EXCEPT A)is thin. B)is moist. C)is permeable to gases. D)separates partial pressure gradients of O₂ and of CO₂. E)all of these.

Question

Quizplus · Accepted Answer

The membrane must separate partial pressure gradients of oxygen and carbon dioxide, but it does not necessarily need to separate any other partial pressure gradients. Therefore, option D is the only incorrect statement. The membrane needs to be thin, moist, and permeable to gases to facilitate respiratory exchange.

Respiratory Exchange Requires a Membrane That Is or Does All