Assertion: emu's gizzard | /r/CapableOf | grind up their food
Facets:
Source sentences:
text: They also swallow large pebbles to help their gizzard grind up their food.
text: Emus ingest large pebbles up to 1.6 ounces (45 grams) to help their gizzards grind up food.
text: Chickens have a well-developed gizzard (a part of the stomach that contains tiny stones) that grinds up their food.