How much partial pressure (in mm Hg) of Oâ‚‚ in alveoli ? (a) 159 (b) 104 (c) 40 (d) 45
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"(b) 104 mm Hg.
Reason:
""Pressure exerted"" by an ""individual gas"" in a ""blend of gases"" is called as partial pressure.
The ""partial pressure"" of the oxygen gas is signified as pO_2, and carbon dioxide is p{CO}_2.
The standard estimation of ""partial pressure"" of ""oxygen in blood"" is 159 mm Hg and in alveoli it is 140mm Hg.
Then again, the ""partial pressure"" of carbon dioxide in blood is ""0.3 mm Hg"" and in alveoli it is ""40 mm Hg""."
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