Which is the correct pathway of air in the lungs?
A.nostrils-nasal cavity-pharynx-larynx-trachea-bronchus-bronchiole-alveoli
B.nostrils-pharynx-nasal cavity-larynx-bronchus-bronchiole-trachea-alveoli
C.nostrils-larynx-pharynx-nasal cavity-trachea-bronchoile-bronchus-alveoli
D.nasal cavity-pharynx-larynx-nostril-bronchus-nostril​
