inner ear

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Last updated 9:03 PM on 4/8/26
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5 Terms

1
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label the outer ear

  • what is the role of the outer ear ( 2 things)

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2
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<p>draw the ear from outer, middle and inner. label all key features</p><ul><li><p>circle what is part of the middle ear</p></li></ul><p></p>

draw the ear from outer, middle and inner. label all key features

  • circle what is part of the middle ear

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3
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what is meant by impedance matching

air travels differently in air and cochlear fluid
lever action and area ratio provides 20-30db pressure gain

4
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what is it called when middle ear gets damaged/dysfunction?

what is it called when inner gets damaged/dysfunction?

middly ear damage = conductive deafness

inner ear damage = nerve deafness

5
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how big is the human cochlea ( how many turns)

2.5 turns ,( 10 mm wide )