When people are addicted to a substance and they try to stop using it, they often experience
A. tolerance
B. physical dependence
C. withdrawal
D. psychological dependence

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

The real advantage to hydrostatic weighing is that it a. can be done anywhere with no equipment b. gives one of the most accurate measurements of body fat c. uses calipers to measure body fat select the best answer from the choices provided.

After a tiring half of a basketball game, what should the players eat to get instant energy?