National Heart, Lung, and Blood Institute (NHLBI) - To understand asthma, it helps to know how the airways work. People who have asthma have inflamed airways. The inflammation makes the airways swollen
![Anatomy of the airways: trachea and lungs with bronchi. Stock Photo in 2023 | Lunges, Stock photos, Trachea Anatomy of the airways: trachea and lungs with bronchi. Stock Photo in 2023 | Lunges, Stock photos, Trachea](https://i.pinimg.com/736x/a9/f4/2a/a9f42a990bf3f2bca487dab6c0af6ca2.jpg)
Anatomy of the airways: trachea and lungs with bronchi. Stock Photo in 2023 | Lunges, Stock photos, Trachea
![1); (a) The respiratory structures in the body, (b) an enlarged image... | Download Scientific Diagram 1); (a) The respiratory structures in the body, (b) an enlarged image... | Download Scientific Diagram](https://www.researchgate.net/publication/326045386/figure/fig1/AS:642634372620288@1530227382311/Fig21-a-The-respiratory-structures-in-the-body-b-an-enlarged-image-of-airways.png)