Which of the following best describes what alveoli are? a. they are the smallest tubes in the respiratory system. b. they have a small amount of surface area. c. they are found on the end of bronchioles. d. they are comprised of millions of cells. select the best answer from the choices provided. a b c d

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.

When planning a menu for children, what are the best food items to consider? a. white bread and only white flour products b. canned and processed foods c. whole-grain bread and fresh fruit and vegetables d. frozen fruits and vegetables