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spiral shaped structure that is filled with liquid and contains tiny hair cells |
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unit on the scale for sound intensity |
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change in pitch or wave frequency due to a moving wave source |
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a tough membrane, about .1 mm thick |
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the process of locating objects by emminting sounds and feeling the reflected waves |
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the amout of energy that flows through a certain areain a specific amount of time |
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a human perception of sound intensity |
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vibration whose frequency is a multiple of the fundamental frequency |
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how low or high a sound seems to be |
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the difference among sounds of the same pitch and loudness |
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hollow chamber that amplifies sound |
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a system that uses the reflection of the underwater sound waves to detect objects |
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used in medicine to digress, monitor, and treat many conditions |
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