1.
air passage
2.
airway
Eucalyptus is good for clearing the airways.
If you sleep on your back it's easier for your upper airway to be obstructed because your tongue, uvula, etc. slip towards the back of your throat.
3.
respiratory route
Inglese parola "droga oddechowa"(respiratory route) si verifica in set:
Infectious diseaseskolokwium angielski4.
inhalation
The doctor recommended the use of a nebulizer for medication inhalation.