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MArishka [77]
3 years ago
8

Amy is warming up in preparation for a tennis match. During her warm-up Amy's heart rate and breathing rate increase.

Health
1 answer:
Lunna [17]3 years ago
3 0
It’s important because your heart must beat faster during exercising because the increase of the heart rate also will need a increase of cardiac output to deliver the necessary blood flow to the muscles.

Hope this help
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