Across
- 6. Used to communicate with skeletal muscles
- 8. "Rest and digest" part of the peripheral nervous system
- 9. Main inhibitory neurotransmitter
- 10. Involved in sleep, depression and memory
Down
- 1. Gap between neurons that is bridged by neurotransmitters
- 2. Neurotransmitter that stimulates pain and inflammation
- 3. Main excitatory neurotransmitter
- 4. Can constrict blood vessels and increase heart rate; important to sympathetic nervous system
- 5. Plays a major role in reward system of brain
- 7. "Fight or flight" part of peripheral nervous system