To increase oxygen delivery to working muscles during exercise, heart rate increases. Barry's heart rate has increased from 60 beats per minute (bpm) at rest, to 120 bpm during a run. What happens to the

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Answer:

For each minute he runs his heart is beating 60 beats so he would have had to have ran for 2 minutes.

Step-by-step explanation:

Rockwell Rice answered Apr 30, 2023

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