Assertion: bronchus's branch | /r/HasProperty | bronchiole
Facets:
Source sentences:
text: At the end of the those branches (bronchioles) are the alveoli( tiny grape like structures).
text: These extend into many branches, known as bronchioles, which allow a large amount of air to be exchanged over the whole of each lung.
text: These tertiary bronchi then give rise to the subsegmental bronchi, which then leads to the smallest branches of a bronchus, the bronchioles .