The partial pressure of oxygen at the site A (alveoli of lungs) and B (oxygenated blood) is

Question

The partial pressure of oxygen at the site A (alveoli of lungs) and B (oxygenated blood) is, A : 104 m m H g B : 95 m m H g, A : 159 m m H g B : 95 m m H g, A : 104 m m H g B : 40 m m H g, A : 159 m m H g B : 95 m m H g

MARKS App · Accepted Answer

The partial pressure of oxygen in alveolar air is about 104 mm Hg, whereas the partial pressure of the oxygenated pulmonary venous blood is about 95 to 98 mm Hg.

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