What percentage of children 13-18 have a serious mental illness? a. 50% b. 20% c. 10% d. 5%

If you are going to enter a wrestling competition and need to make a certain weight, which method would best utilize? a: pinch an inch b: circumference measurements c: bathroom scale d: body-fat scale

Scientists who study the anatomy of the systems in the human body focus their studies on

True or false. mucous membranes secrete mucus that traps pathogens.