The cochlea's spiral shape boosts low frequencies

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The cochlea. Credit: Alec N. Salt Washington University.
The cochlea. Credit: Alec N. Salt, Washington University.

The next time someone whispers in your ear, think "cochlea." The cochlea is the marvelous structure in the inner ear that is shaped like a snail shell and transforms sounds into the nerve impulses that your brain can process and interpret. You may remember learning about it in elementary school anatomy.


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