Assertion: inner ear's organ | /r/HasProperty | fluid-filled
Facets:
Source sentences:
text: The vestibular organs are fluid-filled and have hair cells, similar to the ones found in the auditory system, which respond to movement of the head and gravitational forces.
text: Between the semicircular canals and the cochlea lie the otolithic organs, which are two fluid-filled pouches called the utricle and the saccule.