Answer:
to get the energy they need for short bursts of intense activity.
The answer is A because I had this in a test and that was the answer.
I think (C):600
Explained: other sources say there is about 650 but if you count the muscles within a complex muscle then about 840
1) Shereen sustained a strain.
2) Terence sustained a sprain.
Oh my lord, that's gross... Uh... I'm pretty sure that's an Ovarian Tumor, really... But I may be wrong.