Across
- 4. substances that decrease brain activity
- 5. identical twins from one egg-sperm pairing
- 6. hormone that helps you get sleepy
- 8. the brain changes how it processes information
- 9. the entire genetic code
- 11. high resolution picture of the brain
- 12. early riser vs. night owl
- 14. sudden unexpected sleep
Down
- 1. daily biological cycle
- 2. hormone that helps you rise
- 3. how much of a trait comes from genetics
- 7. neurons are born
- 10. measures brain waves
- 13. substances from the poppy plant