Which of the following statements about participating in physical activity is true? a. individuals who regularly participate in physical activity are more likely to have trouble falling asleep at night. b. participating in regular physical activity eliminates the risk of developing cancer. c. individuals who regularly participate in physical activity are likely to have higher energy levels. d. participating regularly in physical activity leads to increased attendance in school while simultaneously leading to a decreased attention span.

You began membership in a new health and fitness club which has access to a dietician and personal trainer. they you develop a special eight-week diet and exercise program. the data in the following table represents your weight, w, as a function of time, t, over an eight-week period. time (weeks) 0 1 2 3 4 5 6 7 8 weight (lb) 150 144 143 141 140 137 137 132 129 your weight decreases during each of the first five weeks of the program. determine the actual change in weight over the first five weeks of the program by subtracting your initial weight from your weight at the end of the first five weeks. what is the sign of your answer? what is the significance of this sign? a. 137-150 = -13 lb; a change in weight is negative because the weight decreases. b. 137-150 = 13 lb; a change in weight is positive because the weight decreases. c. 150-137 = -13 lb; a change in weight is negative because the weight increases. d. 150-137 = 13 lb; a change in weight is positive because the weight increases.

Amalignant tumor that originates within glandular tissue is called

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive