Alveolar sac hi-res stock photography and images - Alamy
Lung alveoli: anatomy and labeled diagram | GetBodySmart
Pulmonary alveolus - Wikipedia
Alveolar Ducts & Sac | Alveolar Sacs Function | Study.com
Definition of alveoli - NCI Dictionary of Cancer Terms - NCI
Alveoli alveolar sac of the lung Royalty Free Vector Image
www.therespiratorysystem.com alveoli | Human anatomy and physiology, Respiratory therapy notes, Vet medicine
lung | Taber's Medical Dictionary
The first passages of the respiratory zone, which have alveoli in their walls, are called: (a) Terminal bronchioles (b) Respiratory bronchioles (c) Alveolar ducts (d) Alveolar sacs. | Homework.Study.com