-The movement of both oxygen and carbon dioxide in the body is accomplished by
A) exocytosis and endocytosis.
B) facilitated diffusion.
C) osmosis.
D) simple diffusion.
E) active transport.

Question

-The movement of both oxygen and carbon dioxide in the body is accomplished by
A) exocytosis and endocytosis. 
B) facilitated diffusion. 
C) osmosis. 
D) simple diffusion. 
E) active transport.

Quizplus · Accepted Answer

Oxygen and carbon dioxide move across cell membranes by simple diffusion, which is the passive movement of molecules from an area of higher concentration to an area of lower concentration without the need for energy or transport proteins.

-The Movement of Both Oxygen and Carbon Dioxide in the Body