Hearing

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Across
  1. 3. highest frequency humans can hear
  2. 4. spiral, snail-like structure that converts vibrations into electrical signals
  3. 6. conversion center from vibrations into hearing
  4. 8. thin layer stretched across the canal
  5. 9. middle bone in ear
  6. 11. final bone shaped like a stirrup
  7. 14. 3 fluid-filled loops that detect head movement
  8. 15. nerve that carries electrical signals to the brain
  9. 17. sensory organ responsible for hearing
Down
  1. 1. highest frequency dogs can hear
  2. 2. highest frequency cats can hear
  3. 5. channels sound waves to the eardrum
  4. 7. connects the middle ear to the back of the throat
  5. 10. amplification chamber
  6. 12. visible, cartilage-based structure on the side of the head
  7. 13. first of three tiny bones, picks up vibrations
  8. 16. visible part that collects sound waves