Wrestling because you work both your strength by lifting other opponents and cardio because of resistance.
A) For it does not require a life long commitment, and it is not C) because it can be any substance not just tobacco!
Thus your answer is A) gradually but completely withdrawing substances from use !
Have a happy life !
:D <span />
The correct answer is A. The cell body. Dendrites and axons are merely pathways to conduct electrical activity. Myelin is a covering around axons.