![Annotated illustration of human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of carbon diox Stock Photo - Alamy Annotated illustration of human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of carbon diox Stock Photo - Alamy](https://c8.alamy.com/comp/2DHN6EK/annotated-illustration-of-human-alveoli-the-alveoli-are-air-sacs-in-the-lungs-at-the-ends-of-the-bronchioles-that-allow-the-exchange-of-carbon-diox-2DHN6EK.jpg)
Annotated illustration of human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of carbon diox Stock Photo - Alamy
![Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Body systems, Respiratory system, Idiopathic pulmonary fibrosis Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Body systems, Respiratory system, Idiopathic pulmonary fibrosis](https://i.pinimg.com/originals/0d/df/8d/0ddf8db066ff2a85bcf500b988100d05.jpg)
Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Body systems, Respiratory system, Idiopathic pulmonary fibrosis
![Air Sacs From The Lungs, Vintage Illustration Stock Vector - Illustration of drawing, sacs: 163228697 Air Sacs From The Lungs, Vintage Illustration Stock Vector - Illustration of drawing, sacs: 163228697](https://thumbs.dreamstime.com/z/air-sacs-lungs-vintage-illustration-represents-line-drawing-engraving-163228697.jpg)
Air Sacs From The Lungs, Vintage Illustration Stock Vector - Illustration of drawing, sacs: 163228697
![Dorsal view of the air sacs of the long-legged falcon (colored with... | Download Scientific Diagram Dorsal view of the air sacs of the long-legged falcon (colored with... | Download Scientific Diagram](https://www.researchgate.net/profile/Murat-Kabak-2/publication/286753285/figure/fig4/AS:309464596008963@1450793517277/Dorsal-view-of-the-air-sacs-of-the-long-legged-falcon-colored-with-latex-1-lungs-2.png)
Dorsal view of the air sacs of the long-legged falcon (colored with... | Download Scientific Diagram
![Diagram The Pulmonary Alveolus Air Sacs In The Lung. Stock Vector - Illustration of health, bronchi: 130471417 Diagram The Pulmonary Alveolus Air Sacs In The Lung. Stock Vector - Illustration of health, bronchi: 130471417](https://thumbs.dreamstime.com/z/diagram-pulmonary-alveolus-air-sacs-lung-diagram-pulmonary-alveolus-air-sacs-lung-respiratory-system-130471417.jpg)
Diagram The Pulmonary Alveolus Air Sacs In The Lung. Stock Vector - Illustration of health, bronchi: 130471417
![Diagram Showing The Pulmonary Alveolus (air Sacs) In The Lung Royalty Free Cliparts, Vectors, And Stock Illustration. Image 15915102. Diagram Showing The Pulmonary Alveolus (air Sacs) In The Lung Royalty Free Cliparts, Vectors, And Stock Illustration. Image 15915102.](https://previews.123rf.com/images/blueringmedia/blueringmedia1210/blueringmedia121000039/15915102-diagram-showing-the-pulmonary-alveolus-air-sacs-in-the-lung.jpg)