Crossword Puzzle Skin RootsOnline version integumentary system by Juliane Mak 1 dry, scaly 2 skin (c) 3 fat (s) 4 nail (o) 5 black 6 scale 7 hair 8 hardening 9 sweat 10 horny tissue, hard 11 unguo 12 fat (a) 13 sweat 14 foreign, strange 15 fat 16 fungus 17 sebum, sebaceous 18 dry 6 14 13 11 2 12 17 3 4 10 8 15 7 16