Assertion: olm's lung | /r/HasProperty | small
Facets:
value: very
type: DEGREE
value: with smooth walls
type: OTHER
Source sentences:
text: In aquatic, cold-water species like the southern torrent salamander (Rhyacotriton variegatus), the lungs are very small with smooth walls, while species living in warm water with little dissolved oxygen, such as the lesser siren (Siren intermedia), have large lungs with convoluted surfaces.