Given that air is 20.93% oxygen, there is a total pressure of 760mm Hg at sea level, and alveolar mixing reduces the partial pressure of oxygen to 66% of that in the atmosphere, the partial pressure of oxygen in the blood leaving the pulmonary capillaries of an individual at sea level is approximately ________ mm Hg.
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We do this by multiplying the total pressure by the percentage of oxygen in the air. 760 mmHg * 20.93% = 159.07 mmHg Show more…
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