Assertion: worm's skin | /r/HasProperty | moist
Facets:
Source sentences:
text: Earth worms don't have lungs, they absorb oxygen directly through their moist skin, which is kept moist by mucous secreting cells.
text: Worms breathe through their moist skin.
text: Worms breathe through their moist skin.
text: But these gases can interchange only if the skin is moist.
text: Worms breathe through their moist skin.
text: Worms breathe through their moist skin.