This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Sense of gravity is detected by 
Select and explain. 
A. Horizontal semicircular canal, B. Lateral semicircular canal, C. Superior semicircular canal, D. Utricle and saccule
D: Utricle and saccule
Answer: D: Utricle and saccule 
Explanation: 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)