Partial pressures (in mmHg) of O2 in atmospheric air, alveoli, deox...

Partial pressures (in mmHg) of O2 in atmospheric air, alveoli, deoxygenated blood, oxygenated blood and tissues are-

A. 40, 95, 40, 104, 159

B. 104, 40, 40, 95, 159

C. 159, 104, 40, 95, 40

D. 195, 104, 95, 40, 40