![Because air is trapped in these air sacs, it is difficult for lungs with COPD to deflate like normal l… in 2020 | Copd, Chronic obstructive pulmonary disease, Copd symptoms Because air is trapped in these air sacs, it is difficult for lungs with COPD to deflate like normal l… in 2020 | Copd, Chronic obstructive pulmonary disease, Copd symptoms](https://i.pinimg.com/originals/41/08/03/410803ef835d040e6aee89f397683ba6.jpg)
Because air is trapped in these air sacs, it is difficult for lungs with COPD to deflate like normal l… in 2020 | Copd, Chronic obstructive pulmonary disease, Copd symptoms
![Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Body systems, Idiopathic pulmonary fibrosis, Respiratory system Alveoli (air sacs) massively increase the surface area of the lungs for diffusion. | Body systems, Idiopathic pulmonary fibrosis, Respiratory system](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, Idiopathic pulmonary fibrosis, Respiratory system
![Mayo Clinic on Twitter: "#Pneumonia is an infection that inflames the air sacs in one or both lungs. Learn more about this serious lung infection and how to keep you and your Mayo Clinic on Twitter: "#Pneumonia is an infection that inflames the air sacs in one or both lungs. Learn more about this serious lung infection and how to keep you and your](https://pbs.twimg.com/media/DrxHTOzX0AAsi1T.jpg)
Mayo Clinic on Twitter: "#Pneumonia is an infection that inflames the air sacs in one or both lungs. Learn more about this serious lung infection and how to keep you and your
![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)