Charlie has been training for a 10k race. he checks his resting heart rate every morning and discovered he has an average resting heart rate.
what change might charlie see as he continues training?
oa. his resting heart rate might decrease to 100 bpm
b. his resting heart rate might increase to 100 bpm
oc. his resting heart rate might decrease to 60 bpm
od. his resting heart rate might increase to 60 bpm

His resting heart rate might decrease to 60 bpm

Explanation:

The average resting heart rate range is 60 bpm - 100 bpm. When people are healthier they tend to have lower resting heart rates. Many athletes have a resting heart rate of 60 bpm.

Training for a 10k race would make Charlie's heart work more during training, thus it doesn't beat as often during rest.

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