asked 19.2k views
3 votes
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

asked
User Markiv
by
8.2k points

2 Answers

3 votes
(A. eardrum <----- is the answer
answered
User Gang Gao
by
8.3k points
5 votes
A. The ear drum vibrates causing it to move the malleus causing sound.
answered
User Rxantos
by
8.7k points
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