As sound levels increase in the spiral organ (of Corti), ________.

A) outer hair cells stiffen the basilar membrane
B) outer hair cells bend the cilia away from the kinocilium
C) inner hair cells stiffen the basilar membrane
D) inner hair cells bend the cilia away from the kinocilium


A) outer hair cells stiffen the basilar membrane

Anatomy & Physiology

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The neurotransmitter released at terminal ganglia is ________.

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Anatomy & Physiology