Assertion: caribou's nose | /r/CapableOf | warm the air
Facets:
Source sentences:
text: These noses also warm the air they breath before it reaches their lungs.
text: Their noses warm up air before it gets to their lungs and their entire bodies, including their hooves, are covered with fur.
text: Their noses actually warm the air before they breathe it in, so that their lungs don't freeze.