Diffusion of gas across the alveolar capillary membrane is inversely proportional to which of the following? A. Area of the membrane B. Difference between partial pressures of the gas on both sides of...

Diffusion of gas across the alveolar capillary membrane is inversely proportional to which of the following?

A. Area of the membrane

B. Difference between partial pressures of the gas on both sides of the membrane

C. A diffusion constant that is related to the solubility and molecular weight of the gas

D. Thickness of the membrane

E. Size of the alveolus