Answer:
B/c they must be healthy enough to participate in physical activity and they must perform at their own health-levels.
Explanation:
This makes sense because you need to check whether your body is able to stand up to the fitness so that you don’t hurt yourself.
A. because even though it is not ideal to ever be stressed out to the point of it inflicting your heart. It is common for athletes do that to condition there hearth and lungs to function at the highest of extremes possible.
There are many things that will allow someone to test heart rate:
-Pulse oximeter
-Wrist monitor
-Fitness trackers
-Heart(rate) monitor
Hope I was able to help!
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