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Title: During intense physical exercise, human cells and tissues increase their need for oxygen to provide ... Post by: mrsbmarie on Jun 13, 2018 During intense physical exercise, human cells and tissues increase their need for oxygen to provide the ATP necessary for work. Why does heart rate have to increase to meet the need for oxygen?
Title: During intense physical exercise, human cells and tissues increase their need for oxygen to provide ... Post by: Mhartman97 on Jun 13, 2018 Content hidden
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