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