Across
- 3. psychoactive drugs that excite neural activity and speed up body functions
- 7. hormone produced in the adrenal gland that provides energy during fight or flight
- 8. chemical messengers that travel through the bloodstream
- 10. when the sending neuron reabsorbs the excess neurotransmitters
Down
- 1. nervous system division controlling muscles (voluntary movements)
- 2. neurotransmitter involved in Parkinson's and schizophrenia
- 3. the space between neurons
- 4. nervous system division responsible for calming the body down
- 5. the formation of new neurons
- 6. a simple, automatic response to a sensory stimulus
- 9. the contribution of genetics on traits and behavior