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Home Q & A Board Biology-Related Homework Help General Biology
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mrsbmarie mrsbmarie
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6 years ago
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?
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Mhartman97Mhartman97
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6 years ago
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mrsbmarie Author
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6 years ago
Thanks for your help!!
sakoon
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Yesterday
Thanks
Alina01978
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2 hours ago
Smart ... Thanks!
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