Mario and I have to go back. It will take a moment. I'm a bit, I think it was not able. This was not able.
The nervous system is the most important body system and the heart is the most important muscle
I believe the answer is C. This is because most men do naturally have more muscle mass, so they need more energy to function. This is not the case if you do a lot of muscle building activities, though.
I believe it is Amy's, because you said Amy's target heart rate zone is 140bpm -- 186bpm. Thus, Amy's is higher
I dont get this question...
