$\begin{array}{1 1} \text{ Nasal cavity→Larynx→ Pharynx→Trachea→ Bronchi→Bronchioles→Alveoli} \\ \text{ Nasal cavity→Pharynx→Trachea→Larynx→Bronchi→Bronchioles→Alveoli} \\ \text{ Nasal cavity→Larynx→Bronchi→Pharynx→Bronchioles→ Alveoli} \\ \text{ Nasal cavity→Pharynx→Larynx→Trachea→Bronchi→Bronchioles→Alveoli} \end{array} $