The concentration of oxygen in normal exhaled air
A) is zero because all the oxygen is transferred to red blood cells and plasma in the lung.
B) will be approximately that of the blood plasma;if it were less the oxygen would diffuse from the plasma back into the alveoli.
C) will always be the reciprocal of the carbon dioxide concentration.
D) is typically a few percent less than the oxygen concentration of the inhaled air.

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The Answer of The concentration of oxygen in normal exhaled air
A) is zero because all the oxygen is transferred to red blood cells and plasma in the lung.
B) will be approximately that of the blood plasma;if it were less the oxygen would diffuse from the plasma back into the alveoli.
C) will always be the reciprocal of the carbon dioxide concentration.
D) is typically a few percent less than the oxygen concentration of the inhaled air.

The Concentration of Oxygen in Normal Exhaled Air