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neuroteansmitters
| Question | Answer |
|---|---|
| acetylcholine (ACh) | stimulates muscle contraction |
| norepinephrine | fight/flight |
| dopamine | controls movement and motivation |
| serotonin | regulates mood, sleep, and appetite |
| endorphins | pain killers |
| enkephalins | regulates pain |
| nitric oxide (NO) | diffuse thru cell membrane, communication |