Assertion: skull's bone | /r/HasProperty | flat
Facets:
Source sentences:
text: As their name suggests, these bones are thin and flat, though some of them have a slight curve.
text: As their name suggests, these bones are thin and flat, though some of them have a slight curve.
text: Flat bones are thin and flat.
text: In order to be light, the skull is made up by flat and irregular bones, and has hollow spaces called the sinuses.