please solve these question
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1 oxygen
2 air
3 respiratory
4 inhale
5 nose
6 mouth
7 pharynx
8 lungs
9 bronchi
10 trachea
11 blood
12 carbon dioxide
13 exhale
14 water vapour
15 diaphragm
16 sneeze
17 cough
18 hiccup
19 yawn
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