NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
- ApO2 = 159 and pCO2 = 0.3
- BpO2 = 104 and pCO2 = 40
- CpO2 = 40 and pCO2 = 45
- DpO2 = 95 and pCO2 = 40
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