Question

Alveolar ducts alveolar sacs terminal bronchioles respiratory bronchioles bronchi bronchioles What is the order from largest to smallest?

Answer 1

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The bronchioles or bronchioli are the passageways by which air passes through the nose or mouth to thealveoli (air sacs) of the lungs, in which branches no longer contain cartilage or glands in their submucosa. They are branches of the bronchi, and are part of the conducting zone of therespiratory system

Terminal bronchioles are last generation of conducting airways. Respiratory bronchiolescan be identified by the presence of some alveoli along their walls. The respiratory bronchiole splits into a number of alveolar ducts, which terminate in alveolar sacs and individual alveoli


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Answer 2

Answer:

The sequence of passages is as follows: trachea to main/R & L/primary bronchi (to lungs) to lobar = secondary bronchi (to lobes of lungs) to segmental = tertiary bronchi (to bronchopulmonary segment) to interlobular bronchi (to lobules) to a series of ever smaller lobular bronchioles (no more cartilage supports) .