Assertion: rib cage's rib | /r/HasProperty | 12 pairs
Facets:
Source sentences:
text: Because the 24 ribs (12 pairs) have the resemblance of a cage structure; hence, the name "rib cage".
text: 24 ribs (12 pairs).
text: There are normally 24 ribs (12 pairs) in a male human rib cage and the same in a female human rib cage, so the total in a man and a woman would be 48 ribs.