Some athletes prepare for competition at sea level by
Chapter 42, Problem 42.44(choose chapter or problem)
Some athletes prepare for competition at sea level by sleeping in a tent in which PO2 is kept artificially low. When climbing very high peaks, some mountaineers breathe from bottles of pure O2. In a short essay (100150 words), relate these behaviors to the mechanism of O2 transport in the human body and to our physiological interactions with our gaseous environment.
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