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As sound enters the ear, it vibrates the ______________ at the boundary between the outer ear and middle ear, causing the sound waves to then vibrate the hammer. a. ear drum c. stirrup b. cochlea d. anvil
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Jan 27, 2017
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As sound enters the ear, it vibrates the ______________ at the boundary between the outer ear and middle ear, causing the sound waves to then vibrate the hammer.
a. ear drum
c. stirrup
b. cochlea
d. anvil
Biology
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Markiv
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Markiv
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(A. eardrum <----- is the answer
Gang Gao
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Jan 27, 2017
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Gang Gao
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A. The ear drum vibrates causing it to move the malleus causing sound.
Rxantos
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Jan 31, 2017
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Rxantos
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