<prompt> In the lungs bronchial aeries supply the bronchopulmonary treeTill teiary bronchiTill segmental bronchiTill respiratory bronchiolesTill alveolar sacs  <response>: Bronchial aery supplies the bronchial tree till respiratory bronchiole. BD CHAURASIAS HUMAN ANATOMY VOLUME 1. 6TH EDITION.page no.242 fig 16.9 