ENGLISH PHONOLOGY

How the ear works -part one

Preguntas

Can you see the video?

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Sound waves travel at .... 
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The outer part of the ear where signals are received is called the ...
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What is the name of the instrument used by phisicians to examine our ears?
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The tympanic membrane is also known as the drum membrane.
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5) The tympanic membrane does not completeley shut off the eardrum from the ear canal. 

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The eustachian tube links the ear canal to the  ...

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The hardest bony structure in the whole body is located in the temporal bone.

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The ear is the only sense organ that lies close to the brain.
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All soundwaves entering the ear are converted into nerve impulses. *

* Preguntas obligatorias.