Assertion: eel | /r/HasAspect | gill
Facets:
value: to breathe underwater
type: PURPOSE
Source sentences:
text: Eels have gills and very sharp teeth.
text: The simplest answer I have found is that eels have gills, and live underwater, and snakes have lungs.
text: These eels come from waters that are usually quite murky and muddy, with low levels of dissolved oxygen, so they have developed lung-like breathing apparatus and will often get air from the surface, although they do have gills to breathe underwater.