Across
- 3. depression-relieving medication
- 4. emotional part of the brain
- 5. stimulated too little
- 6. people who research
- 9. the length, height or weight
- 10. it tells where your body is
- 12. motion
- 13. an electrical message
- 16. a electrical conductor
- 17. movement
- 19. to do with the body
Down
- 1. nerve sending messages from eye
- 2. to do with your reasoning
- 7. the natural world
- 8. natural pain-killing substance
- 11. repeated physical activity
- 14. to do with your emotions
- 15. a measurement of light intensity
- 18. an arm muscle