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QUESTION
Q51) In a resting person, oxygen saturation of haemoglobin as blood leaves the tissue capillaries is ....[AMU 2009 ]

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40 mm Hg is the typical partial pressure of oxygen in the cells of the body. Examination of the oxygen-hemoglobin dissociation curve reveals that, under resting conditions, only about 20 - 25% of hemoglobin molecules give up oxygen in the systemic capillaries.


Answer : (d)