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|.
A. Monitoring heart rate during exercise provides an excellent measurement of intensity. Intensity, or how hard you are working, is an important factor in determining if you will improve your fitness level. Heart rate training takes the guesswork out of how hard you should be working to achieve the results you want.