External respiration is the process of
A) transporting gases in the blood stream to target cells.
B) exchanging air in lungs with the surrounding environment.
C) moving gases into or out of the blood stream within lung tissue.
D) gas uptake by target cells.
E) carbon dioxide release by cells into the bloodstream.

Question

Quizplus · Accepted Answer

External respiration refers to the exchange of gases between the air in the lungs and the blood in the pulmonary capillaries, which involves moving gases into or out of the bloodstream within lung tissue.

External Respiration Is the Process of