Partial pressure of oxygen ($pO2$) in atmospheric air is approximately:

Question

Accepted Answer

The partial pressure of oxygen ($pO2$) in atmospheric air is approximately 159 mm Hg, whereas in deoxygenated blood it is 40 mm Hg and in oxygenated blood it is 95 mm Hg.

Breathing and Exchange of Gases

❓ Sibling Questions in this Chapter