Answer: C. <u>OXYGEN is needed, so the SLOW-twitched muscle fibers contract slowly.</u>
Explanation:
I'm just put it like this, for any exercise oxygen is the prime requirement for your muscles, so B and D are out, and if your moving BRISKLY, your muscles are moving faster but compared to running there moving SLOWER, so therefore, your answer is C.
Answer:
hi, right when I first started using using an inhaler I had a rush of energy. it also depends on what kind of inhaler you have too though. your body just has to get used to it.