Oxygen moves from alveoli to the bloodstream
A) because the concentration of oxygen is greater in alveoli than in the blood.
B) mainly due to the activity of carbonic anhydrase in the red blood cells.
C) by using the assistance of carbaminohemoglobin.
D) through active transport.
E) because the concentration of carbon dioxide is greater in alveoli than in the blood.

Question

Quizplus · Accepted Answer

Oxygen moves from the alveoli to the bloodstream by diffusion, which occurs because the concentration of oxygen is higher in the alveoli than in the blood.

Oxygen Moves from Alveoli to the Bloodstream