Hearing; Structures of the Ear

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Across
  1. 2. The part of the ear provides protection and channels sound
  2. 3. the main hearing organ; made up of three fluid-filled chambers that spiral around a bony core that contains a central channel called the cochlear duct
  3. 5. the theory that the rate of nerve impulses traveling up the auditory nerve matches the frequency of a tone, thus enabling us to sense its pitch
  4. 7. the theory that links the pitch we hear with the place where the cochlea's membrane is stimulated.
  5. 8. the device for converting sounds into electrical signals and stimulating the auditory nerve through electrodes threaded into the cochlea
  6. 11. hearing loss due to failure of the auditory nerve
Down
  1. 1. controls pitch; the number of complete wavelengths that pass a point in a given time
  2. 4. hearing loss due to problems with the bones of the middle ear
  3. 6. a unit used to measure the intensity of a sound or the power level of an electrical signal
  4. 9. The part of the ear that provides protection and channels sound
  5. 10. tone's experienced highness or lowness, depends on frequency
  6. 12. The part of that ear that operates the body’s sense of balances and contains the hearing organ