Test Academy | The partial pressures (in mm Hg) of oxygen (O 2 ) and carbon dioxide (CO 2 ) at alveoli (the site of diffusion) are: pO2 = 104 and pCO2 = 40, pO2 = 40 and pCO2 = 45, pO2 = 95 and pCO2 = 40, pO2 = 159 and pCO2 = 0.3

Question

The partial pressures (in mm Hg) of oxygen (O₂) and carbon dioxide (CO₂) at alveoli (the site of diffusion) are:

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