Which is the best definition of anabolic steroids?

The germs that cause infections are mainly spread in what three ways? a. immunization, mucous membranes, not washing hands b. germ-laden droplets, direct contact with body fluids, insects c. hand hygiene, sickness, immunization d. not enough sleep, low oral hygiene, germs

Explain which dri value would you use to make sure that the vitamin supplement that you use does not contain too much vitamin a

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation