Assertion: arthropod's cuticle | /r/HasProperty | secreted by surface cells
Facets:
Source sentences:
text: Both groups have similar paired locomotory appendages, called lobopodia (or lobopods); a body cavity (hemocoel); a cuticle (skin) secreted by surface cells and shed periodically (molting); a gut that is usually a straight tube; and separate sexes and gonads.