Which of the following statements best describes inspiration? a. air pressure inside the lungs rises to higher than atmospheric pressure. b. the diaphragm and external intercostal muscles relax. c. the diaphragm bulges into the chest cavity and the ribcage drops. d. the volume of the chest cavity increases and the lungs are stretched.

How could you find out if that advice is based in scientific evidence?

Peter's doctor calculated his body mass index (bmi) and determined that his fat-to-lean tissue ratio was a bit too high. which of the following should peter increase in his weekly schedule to specifically address this issue?

Rachel wants to improve her body composition by reducing her bmi. she swims with her friends after school two days a week and eats a well-balanced diet. what else should she do to ensure that she properly applies all the necessary fitt principles in her plan? a. she should add more cardiovascular training and weight training to her exercise routine and eat several low-calorie meals throughout the day. b. she should increase her swimming workouts to five days a week and eat a high-calorie diet that equals 2,500 calories. c. she should add a few days of weight training to her exercise routine and consume 4,000 calories a day. d. she should eat a high-protein, low-carbohydrate diet and add five days of weight training to her exercise routine. select the best answer from the choices provided. a b c d mark this and return