Examlex
When economists are trying to explain the world they are acting as scientists, and when they are trying to improve it, they are policymakers.
Eardrum
A thin membrane that separates the outer ear from the middle ear, vibrating in response to sound waves and initiating the process of hearing.
Cochlea
A spiral-shaped, fluid-filled organ in the inner ear responsible for converting sound vibrations into nerve signals for hearing.
Sound Vibrations
Sound vibrations are the back-and-forth movement of particles when a sound is produced, traveling as sound waves through mediums like air or water.
Nerve Impulses
Electrical signals that travel along neurons, enabling communication within the nervous system.
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