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Home Q & A Board Biology-Related Homework Help General Biology
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mrsbmarie mrsbmarie
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5 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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5 years ago
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mrsbmarie Author
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5 years ago
Thanks
jmendoza
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
nadiia
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2 hours ago
Just got PERFECT on my quiz
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