1. progressive overload refers to a) maintaining calorie excess b) achieving the anaerobic threshold c) increasing the physical demands on the body over time d) adjusting the intensity of the workout 2. health-related fitness components include cardiorespiratory endurance, flexibility, and muscular strength. a) agility b) balance c) body composition d) reaction time3. josé currently runs for an hour a day but would like to increase his upper body strength. which fitt principle does he need to adjust to reach this goal? a) time b) frequency c) type d) intensity4. jon currently skates three miles a day, two days a week at a skating rink. how can he increase the intensity of his skating? a) start skating five days a week b) start skating in hilly areas c) switch to skating four miles each day d) add 10 minutes to each skating session