Assertion: asthma's lung | /r/HasProperty | exposed to exposure to smoke
Facets:
value: particularly
type: DEGREE
value: to smoke
type: OTHER
Source sentences:
text: The inflammation of the airways makes them very sensitive ("twitchy"), resulting in spasm of the airways that tend to narrow, particularly when the lungs are exposed to an insult such as viral infection, allergens, cold air, exposure to smoke, and exercise.