Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of ________.
A) active transport
B) diffusion
C) filtration
D) osmosis
E) cotransport

Question

Quizplus · Accepted Answer

Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of diffusion, which is the movement of molecules from an area of higher concentration to an area of lower concentration without the need for energy input.

Oxygen and Carbon Dioxide Are Exchanged Across the Respiratory Membrane