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Hearing and the Ear

Hearing and the Ear. Hammer, Anvil Stirrup. Semicircular canal. Nerve to brain. Eustachian tube. Cochlea. Ear drum. Loud Sounds & Loss of Hearing.

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Hearing and the Ear

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  1. Hearing and the Ear

  2. Hammer, Anvil Stirrup Semicircular canal Nerve to brain Eustachian tube Cochlea Ear drum

  3. Loud Sounds & Loss of Hearing • The louder and longer you are exposed to a loud sound, the more damage will be done to your hearing. This is known as Noise Induced Loss of Hearing. • Damage happens to the microscopic hair cells found inside the cochlea. These cells respond to mechanical sound vibrations by sending an electrical signal to the auditory nerve. • Over time, the hairs may get damaged or broken. If enough of them are damaged, hearing loss results.

  4. Other types of damage • Loud sounds can also: • burst the ear drum • Damage the nerve endings • Damage the bones of the middle ear • Result in ‘tinnitus’ or ‘ringing in the ear’

  5. Sound and Hearing Notes

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