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PHS Biology
The Ear
7
Biology
10th Grade
11/08/2011
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Term
Auditory canal
 Definition
directs sound waves onto the eardrum
Term
Ear drum
 Definition
passing vibrations to middle ear bones
Term
Middle ear bone
 Definition
amplify sound and transmit vibrations to the cochlea
Term
Cochlea
 Definition
converts vibrations into nerve impulses
Term
Auditory nerve
 Definition
carries nerve impuleses from the cochlea to the brain
Term
Oval membrane
 Definition
transmits sound vibrations from the middle ear to the cochlea
Term
Semi circular canals
 Definition
control balance
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