When do we usually hear sercular
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about 20 Hz to 20 kHz
Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz.
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The cochlea is filled with a fluid that moves in response to the vibrations from the oval window. As the fluid moves, 25,000 nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.
Explanation:
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