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16 Cards in this Set
- Front
- Back
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Q
What is the function of the outer ear? |
A
to collect and funnel sound waves |
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Q
What is the function of the middle ear? |
A
to transmit the sound waves inward |
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Q
What is the function of the inner ear? |
A
to convert the sound waves into a form that the brain understands |
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Q
What is thename of the small, drumlike membrane located at the end of the ear canal? |
A
the eardrum |
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Q
What does the middle ear contain? |
A
The 3 smallest bones in the body: the hammer, anvil, and sturrup. |
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Q
What is the area behind the eardrum called? |
A
The middle ear |
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Q
What separates the middle ear from the inner ear? |
A
another membrane |
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Q
What is the cavity behind the membrane between the middle ear and the inner ear is called? |
A
the cochlea |
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Q
With what is the cochlea filled? |
A
It is filled with liquid. |
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Q
What shape is the cochlea? |
A
like a snail shell |
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Q
What lines the cochlea? |
A
10,000 nerve cells with hairlike structures that float in the liquid |
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Q
When the eardrum vibrates, what moves? |
A
the hammer |
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Q
When the stirrup vibrates against the membrane, the vibrations go where? |
A
into the liquid of the cochlea |
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Q
What are the 3 ways people suffer hearing loss? |
A
1. injury 2. infection 3. aging (growing old) |
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Q
What are the 3 parts of the ear? |
A
1. outer ear 2. middle ear 3. inner ear |
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Q
What happens to your eardrum when you hear a sound? |
A
it vibrates |
