Assertion: inner ear's system | /r/MadeOf | three semicircular canals
Facets:
Source sentences:
text: The inner ear has a vestibular system formed by three semicircular canals that are approximately at right angles to each other and which are responsible for the sense of balance and spatial orientation.
text: The inner ear has a vestibular system formed by three semicircular canals that are approximately at right angles to each other and which are responsible for the sense of balance and spatial orientation.