Image: Alveolus diagram

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Description: An alveolus (plural: alveoli, from Latin alveus, "little cavity"), is an anatomical structure that has the form of a hollow cavity. Mainly found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood.
Title: Alveolus diagram
Credit: self-made(extracted from Image:Respiratory system complete.svg) (duplicate of Image:Respiratory system complete en.svg)
Author: LadyofHats
Permission: public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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