What statement is true about drugs. A. It is any substance other than food that changes the way your body or mind functions

B. Your body can tell the difference between a prescription drug and an illegal drug.

C. It is any illegal substance other than food that changes the way your body or mind functions

Marijuana is an example of a(n) drug

Exercise has no positive effects on the nervous system? true or falseu

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer