Which organs of the vestibular apparatus would be activated by movements of the ship at sea?

The vestibular system has three parts in each ear, the utricle, the saccule, and three semi-circular canals. The utricle and saccule detect linear movement and vertical movement using gravity. The semicircular canals detect rotational movement using a fluid called called endolymph. All of these parts would be activated by the movement of a ship at sea.