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15 Cards in this Set
- Front
- Back
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large amplitude |
loud sounc |
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small amplitude |
soft sounc |
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high frequency |
high pitch (squeaky) |
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low frequency |
low pitch (bass) |
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Longer wavelength |
lower frequency |
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shorter wavelength |
higher frequency |
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Outer ear middle ear inner ear |
3 main sections of the human ear 1 capture sound waves and sent to ear drum 2. transfer vibrations from ear drum to inner ear 3. change vibrations to nerve impulses |
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Brain |
Where does hearing actually occur in the human body |
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Ears |
change sound energy into electrical signals, which are sent to the brain |
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eardrum |
vibrating sound waves travel through the air, into the ear, making the _______ vibrate |
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anvil hammer and stirrup |
The eardrum vibrates the inner ear bones called |
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cochlea |
this changes the vibrations into electrical impulses |
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auditory nerve |
takes the electrical impulses to the brain |
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audible range |
low pitch to high pitch (20hz and 20,000 hz) |
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tinnitus |
noises in the ears or head with no external source (inner ear cells vibrate causing sound vibrations and electrical impulses to the brain. |
