Across
- 1. window Tranfers the vibrations from the middle ear
- 3. humour Jelly like substance
- 5. and cones cells in the retina
- 6. Semi-circular canals and sensory hairs detect changes
- 10. Three tiny bones amplifying sound
- 11. an organ used for hearing and balance
- 12. canal Guides the sound waves
- 13. membrane another word for eardrum
- 17. Help detect gravity
- 19. Captures sound
Down
- 2. humour Clear fluid in front of the eye
- 4. nerve Carries signals from retina
- 5. Inner layer at the back of the eye
- 7. Organ with sight and photoreceptors
- 8. Transparent outer layer of the eye
- 9. sounds waves directed to tympanic membranes
- 14. Black spot in the middle of the iris
- 15. Coloured part that controls how much light
- 16. Turns vibrations into electrical signals
- 18. Focuses on light