Across
- 2. the hearing center is a part of the _
- 3. the ear _ leads to the ear drum
- 7. transparent outer layer of the eyeball
- 9. turns sound waves into signals for the brain
- 12. how the image appears on the retina
- 15. sound is _
- 16. the eye part that is projector like
- 18. tiny bone that send sound to anvil
- 19. the part of the eye that controls the amount of light that enters the eye
Down
- 1. the lining on the back of the eyeball
- 4. sends information from the eye to the brain
- 5. control the pupil size
- 6. the inner ear controls _
- 8. tiny bone that send sound to stirrup
- 10. the outer ear _ sound into the ear
- 11. the color part of the eye
- 13. what is collected by the eye for us to see
- 14. ear _ membrane that vibrates when sound hits it
- 17. tiny bone that sends sound to inner ear