![Annotated illustration of diseased human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of ca Stock Photo - Alamy Annotated illustration of diseased human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of ca Stock Photo - Alamy](https://c8.alamy.com/comp/2DHN6E2/annotated-illustration-of-diseased-human-alveoli-the-alveoli-are-air-sacs-in-the-lungs-at-the-ends-of-the-bronchioles-that-allow-the-exchange-of-ca-2DHN6E2.jpg)
Annotated illustration of diseased human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of ca Stock Photo - Alamy
![Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Respiratory system, Biology diagrams, Medical assistant student Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Respiratory system, Biology diagrams, Medical assistant student](https://i.pinimg.com/736x/0d/df/8d/0ddf8db066ff2a85bcf500b988100d05--surface-area-the-surface.jpg)
Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Respiratory system, Biology diagrams, Medical assistant student
![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)