Which of the following activities belongs on the top of the physical activity pyramid? a. playing video games b. calisthenics c. sprinting d. running select the best answer from the choices provided. a

Bulimia nervosa is characterized by a. a refusal to eat enough food to maintain normal, healthy body weight and/or the use of measures to produce severe weight loss. b. high fat intake and low level of physical activity. c. alternating binge eating and purging through vomiting, laxatives, or diuretics. d. normal food consumption interrupted by episodes of high consumption, resulting in obesity.

Describe the concept of interval training. what is the benefit of this type of training?

True or false a fertilized cell divides many times to form an embryo