North Carolina Vaccine-Specific Requirements. The North Carolina General Statutes (G.S. 130A-152(a)) require immunizations for every child present in this state. Every parent, guardian or person in loco parentis is responsible for ensuring that their child(ren) receive required immunizations.
User: Which principle of exercise is concerned with maintaining a challenging workout? A. balance B. regularity C. progression D. overload. Weegy: Progression of exercise is concerned with maintaining a challenging workout. eturker|Points 3077|.
The term interval actually refers to the rest interval, but will be used here, as elsewhere, to describe both the running and rest portions of the workout. There are three main reasons to do interval training: Intervals are used to increase anaerobic threshold levels.