Hypoxia and Medicine

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Summary: to about 40 mm Hg in the tissues where Hb gives away oxygen rapidly Insignificant gas exchange occurs in the arteries and veins since they are too thick to allow diffusion to the tissues CO2 Return CO2 can mix with water to form carbonic acid and reduce blood pH to dangerous levels Since hemoglobin is not a very efficient carrier molecule for CO2 the red blood cell

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