Physiologically, the term respiration refers to the:
A) exchange of gases at the alveolar-capillary interface.
B) mechanical process that moves air into and out of the lungs.
C) exchange of all gases, nutrients, and wastes at the cellular level.
D) exchange of gases at the cellular level.

Question

Quizplus · Accepted Answer

Physiologically, respiration refers to the exchange of gases at the cellular level, where oxygen is taken up by cells and carbon dioxide is eliminated. The other options refer to specific processes within respiration but do not fully encompass the overall physiological function.

Physiologically, the Term Respiration Refers to The