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When sound waves enter the external auditory canal, they cause the tympanic membrane (eardrum) to vibrate. These vibrations are transmitted through the ossicles (the malleus, incus, and stapes) in the middle ear, amplifying the sound. The stapes then pushes on the oval window of the cochlea in the inner ear, creating fluid waves that stimulate the hair cells in the cochlear membranes. This stimulation generates nerve impulses that travel to the brain via the auditory nerve, allowing us to perceive sound.

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3w ago

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Sounds entering the external auditory canal are eventually converted to nerve impulses via a chain of events?

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