They usually have the supplies to administer a shot, a blood pressure machine, the little tool light the use for checking the eyes, ears, nose, mouth. They also have gowns and tongue depressors for checking for strep throat.
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
Now that I think about it, it would be A and B because you need your bones for support and they also protect your organs. As for D it's the other way around your muscles help your bones move.
The answer is B because with all the new vapes and e-cigs teen youth think cigarettes are gross and would rather have a flavor.