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What happens to the rate of breathing during vigorous exercise and why?

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asked Jan 18, 2018 in Chemistry by Kundan kumar (49,132 points) ● 34 ● 435 ● 1342
What happens to the rate of breathing during vigorous exercise and why?

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answered Jan 18, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 24
selected Jan 18, 2018 by Kundan kumar
 
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During vigorous exercise, our body requires more energy and for this purpose more oxygen is needed, so the rate of breathing is increased. Oxygen intake rate increases by about 20 to 25 times.
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