During rotational movement, the _____ is moved by endolymph, causing hair cell displacement and resulting in either the propagation or inhibition of an action potential, depending upon the direction of the movement

When auditory vibrations enter the cochlear duct, the _____ membrane remains stationary, resulting in a shearing action of the vibrating hair cells, leading to the stimulation of the cochlear nerve

As the distance between the eye and the object on which it is focusing decreases to less than approximately 20 feet, the _____ contracts, resulting in a more rounded and convex lens