Elizabeth visited a psychiatrist who, after interviewing her, recommended either Paxil or Prozac. These drugs are generally used to treat _____.

With age, what happens to the brain?

Some parts grow. Activity level always decreases. Using both hemispheres simultaneously becomes more likely. Brain reserves increase.

The boundary between the middle and inner ear is the:

a. basilar membrane. b. cochlea. c. eardrum. d. oval window.