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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.

Respuesta :

eardrum is the answer for the fill in

Answer:

Use the image to identify how vibrations travel through the different ear structures.

First, a sound waves enters the  

✔ ear canal

in the outer ear.

Then, the sound wave vibrates the  

✔ eardrum

, which connects to the hammer.

The first of the tiny bones in the middle ear is the hammer, which vibrates the  

✔ anvil

The last of the tiny bones in the middle ear strikes the  

✔ cochlea

, which is found in the inner ear.

Explanation:

It is correct in edunity

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