Brain chemicals, such as enkephalins and endorphins, which regulate the activity of neurons are called __________

Josh is a typical teen attending a large public high school. Josh is LEAST likely to:

a) have friends in crowds of similar social status. b) have friends in every crowd at school. c) stick to just one crowd of friends. d) have friends in a few crowds.

The id

a. wants immediate gratification of bodily desires. b. provides a sense of morality. c. works to resolve conflicts. d. presses for socially acceptable actions.