Structure of the Ear

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The Structure of the Ear

The ear converts vibrations and pressure in the air into sound which we understand.

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How we hear

  • The sound wave that arrives at the ear is a pressure wave.
  • The ear converts sound waves into electrical nerve impulses, similar to a microphone.
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Structure of the ear

  • The outer ear, or ear canal, carries sound to the recessed protected eardrum.
  • The air column in the ear canal resonates and is partially responsible for the sensitivity of the ear to sounds in the 2,000 to 5,000 Hz range.
  • The middle ear converts sound into mechanical vibrations and applies these vibrations to the cochlea.
  • The sound is then reduced in amplitude so no damage is caused and we can hear safely.

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