Assertion: walrus's air sac | /r/AtLocation | the pharynx
Facets:
value: as a resonance chamber
type: PURPOSE
Source sentences:
text: These are made from the air sacs found in the pharynx.
text: A bell-like sound is a produced by using one of their inflatable air sacs located in their pharynx as a resonance chamber, and is only used in sexual display.