vocabulary
Across
- 2. -out of place
- 4. a laugh
- 6. -study of animal noises
- 7. Chuckle
- 9. -chemical that makes you feel happy
- 11. laugh
- 12. -hormone that helps you prepare for stressful situations
- 13. -evil
- 14. -event
- 15. - related to heart & blood vessels
Down
- 1. -adjust
- 3. -study of brain
- 5. -study of mind
- 7. -signal
- 8. -an ape
- 10. -function of living organisms