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haiderfamily haiderfamily
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12 years ago
As blood passes through pulmonary capillaries, what happens to the affinity of hemoglobin for oxygen and what happens to the Hb-O2 dissociation curve?
 

What is the answer for this ?
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12 years ago
Welcome to the forum.

As blood passes through systemic capillaries, the CO2 and H+ added to the blood by the metabolizing tissue decrease the affinity of Hb for O2, thus shifting the Hb-O2 dissociation curve to the right.

So the answer, summed-up should be: Hb affinity for O2 decreases and the dissociation curves shifts to the right.
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