The skin covers the body, and it is exposed to a number of potentially damaging agents in the external environment. what effects do ultraviolet rays of sunlight have on the skin? select all that apply.

Every person’s body is different, a. but every vehicle’s cabin layout is the same b. and every vehicle’s cabin layout is different c. making some people automatically safe drivers d. making some people better fit to drive a sedan than a coupe

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

Hot5, endomondo, gympact, and runkeeper are popular a.) energy drinks b.) vigorous-intensity exercise c.) fitness apps d.) moderate-intensity exercise e.) fitness tests