Our Perception of the Pull of Gravity and Linear Acceleration

Multiple Choice

Our perception of the pull of gravity and linear acceleration is the result of

A) changes in the pressure exerted by the cupula on hair cells.
B) vibrations of the tectorial membrane striking hair cells.
C) the pressure exerted by the otolithic organ on hair cells of the maculae.
D) the movement of the otolithic organ within the ampullae of the semicircular canals.