Crossword-Solution: TRACHEAE 8 letters, 1 clue 🏆 scrabble score: 13

You see, sir,--and he went on with elytra and antennae and tarsi and metatarsi and tracheae and stomata and wing-muscles and leg-muscles and ganglions,--all plain enough, I do not doubt, to those accustomed to handling dor-bugs and squash-bugs and such undesirable objects of affection to all but naturalists.

With animals, white terriers suffer most from the distemper, white chickens from a parasitic worm in their tracheae, white pigs from scorching by the sun, and white cattle from flies; but the caterpillars of the silk-moth which yield white cocoons suffered in France less from the deadly parasitic fungus than those producing yellow silk.

Expiratory: relating to the act of expiration, when the abdomen is contracted and the air contained in the abdominal tracheae is presumably forced out of them.

Gills: respiratory structures which function in water; distinguished as true or blood gills where contained blood conveys the absorbed oxygen from the gill to the tissues, and as tracheal gills when this conveyance is by contained tracheae.

Spiracle -cula: a breathing pore: q.v.: in the plural the lateral openings on the segments of the insect body through which air enters the tracheae:= stigmata.