Term
| What are the 3 sections of the ear? |
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Definition
outer ear middle ear inner ear
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Term
| What is the job of the outer ear? |
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Definition
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Term
| What is the job of the middle ear? |
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Definition
the eardrum and bones move when sound vibrations hit them. |
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Term
| What is the job of the inner ear? |
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Definition
to change the vibrations to nerve messages |
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Term
| How are the nerve messages send to the brain? |
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Definition
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Term
| What is the sheet of tissue that vibrates when sound hits it? |
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Definition
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Term
| What is part of the inner ear that changes vibrations into nerve signeals? |
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Definition
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Term
| Name the bones in the middle ear. |
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Definition
hammer anvil stirrup
They are the smallest bones in your body. |
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Term
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Definition
| small devises to make sounds louder |
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Term
| Describe the path of sound. |
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Definition
The outer ear gathers sound vibrations. Vibrations move the eardrum which moves the small bones in the middle ear. Fluid in the cochlea (inner ear) is moved which moves hairs that change it to nerve impulses. Nerve impulses travel on the optic nerve to the brain.
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