State 3 refusal skills that are necessary in order to avoid harmful drug use?

One of the students at your school posted akward and embarrissing pictures of another student online

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

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