<span>respiratory, circulatory, muscular and nervous</span>
The ends of penne are diagnally cut and the rigatoni hollow fluted tubes
Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
Its B. out of common knowledge and experience <span />
The first test is the heart