Crossword Puzzle respiratory systemOnline version respiratory system by Ander Garaigordobil Garcia 1 2 Beneath the lungs is the.............. 3 They are similar to guitar cords 4 air sacs 5 is the part of the throat behind the mouth 6 7 is divided into two tubes 8 Vocal cords are in the......... 9 when we breathe smoke from a cigarette or very contaminated air, they begin to change to a brown colour 10 3 10 5 2 9 6 8 7
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