Explanation:
Going inside:
1.Pharynx
2.trachea
3.bronchus
4.bronchiole
5.alveola
6.Blood
Going outside:
turn it around
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Answers & Comments
Explanation:
Going inside:
1.Pharynx
2.trachea
3.bronchus
4.bronchiole
5.alveola
6.Blood
Going outside:
turn it around