External respiration
A) moves carbon dioxide from alveoli into the blood.
B) moves oxygen from alveoli into the blood.
C) moves oxygen from the blood into alveoli and carbon dioxide in the opposite direction.
D) moves oxygen from alveoli into the blood and carbon dioxide in the opposite direction.
E) moves both oxygen and carbon dioxide from alveoli into the blood.

Question

Quizplus · Accepted Answer

External respiration involves the exchange of gases between the alveoli and the blood, where oxygen moves from the alveoli into the blood and carbon dioxide moves from the blood into the alveoli.

External Respiration