The answer is A, high blood pressure. This is because when a person starts to participate in a activity that they didn't warm up or prepare to do, the person's blood pressure increases as a result of suddenly doing hard work, so the heart starts to quickly pump blood to the body, resulting in the high blood pressure.
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.
I believe it is 50% or less is low and 100% or more is high.