Across
- 6. The lightest stage of sleep
- 7. Chemical messengers that your body cannot function without
- 9. The opposite of depolarizing
Down
- 1. The stage of sleep with the slowest brain waves
- 2. The “rest and digest” nervous system
- 3. The largest lobe in the human brain
- 4. A hormone also called “the love drug” and “cuddle hormone”
- 5. German for “time giver” in relation to circadian rhythms
- 8. A neurotransmitter known for feelings of reward, satisfaction, and motivation.
- 10. A branch of pharmacology that examines what the body does to a drug