<prompt> Sense of gravity is detected byHorizontal semicircular canalLateral semicircular canalSuperior semicircular canalUtricle and saccule  <response>: Utricle and saccule are stimulated by displacement of the otolithic membrane during the head tilts.They are concerned with acceleration and deceleration. Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra; 6th edition; page no.18 