Is the tendency to maintain a balanced internal state, regulating any aspect of body chemistry around a particular level.

Alcohol is a dangerous drug because it a can change the way the mind and body function. b changes the way you look to other people. c makes you believe you are invincible. d cannot absorb into the bloodstream.

What creates an electric force field that moves electrons through a circuit? a. energy sourceb. loadc. metal wiresd. resistance

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?