Iwill mark you as brainlinest for correct !

You're correct C is the right answer, because a heart rate is how many times the heart beats in a minute and to get a resting one you have to be resting.

It would be 23 beats per second

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.