What is the paial pressure for carbon-di-oxide in the expired air?
High-Yield Explanation
Paial pressure of CO2 in expired air (PE CO2) - 32 mm Hg Carbon-di-oxide: Paial pressure of CO2 in inspired air (Pi CO2) 0.3 mm Hg Paial pressure of CO2 in alveolar blood (PA CO2) 40 mm Hg Paial pressure of CO2 in expired air (PE CO2) 32 mm Hg.