Answer:
When it involves the head, because you can get easily knocked out from a head injusry.
Explanation:
ANSWER:
False
EXPLANATION:
Circuit training program is a training for body conditioning or muscles endurance using high intensity exercises.It targets a person's physical strength and muscular endurance. In circuit exercise there is one complete cycle of all prescribed exercises in the program. When one circuit cycle is complete, a person begins with the first exercise again for the next complete cycle in the circuit program. Typically the time between circuit training exercises is short and often with rapid movement,moving to the next exercises.
False, exercise does have positive effects on the nervous system