The exchange of oxygen and carbon dioxide during cellular metabolism is best described as which of the following?
A) Ventilation
B) Diffusion
C) Respiration
D) Perfusion

Question

Quizplus · Accepted Answer

Respiration is the exchange of oxygen and carbon dioxide during cellular metabolism.The primary functions of the lungs include ventilation,the movement of air in and out of the lungs,and diffusion,the movement of gases between air spaces and the bloodstream.The heart supports perfusion,the movement of blood into and out of the lungs to the organs and tissues of the body.

The Exchange of Oxygen and Carbon Dioxide During Cellular Metabolism