Assertion: exoskeleton | /r/AtLocation | nail
Facets:
Source sentences:
text: It fills the same role as the protein keratin in other animals where it would be found in hair, nails, hooves, claws, beaks, etc.
text: It fills the same role as the protein keratin in other animals where it would be found in hair, nails, hooves, claws, beaks, etc.