Muscle contraction is either or .

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.

How many calories do you need to take away one pound

The effects of tobacco use on society include high taxes and loss of life. select the best answer from the choices provided. t f