When using heart rate monitors to determine exercise intensity in a high school physical education class, which of the following would be the correct application of the heart rate data?
A. Heart rates between 80 and 100 are considered moderate intensity; >115 would be considered vigorous intensity.
B. Heart rates between 100 and 120 are considered moderate intensity; >120 would be considered vigorous intensity.
C. Heart rates between 110 and 130 are considered moderate intensity; >130 would be considered vigorous intensity.
D. Heart rates between 130 and 140 are considered moderate intensity; >140 would be considered vigorous intensity.
Answer: D
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