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16 Cards in this Set

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