Asthma is a chronic inflammatory disease that affects the lungs. In a child with asthma, the airways are very sensitive, ...

Expert Rev Resp Med. 2013;7(6):673-685. Airflow increases as it passes through a vessel of decreasing diameter. The total cross-sectional area of the airways decreases from the peripheries toward ...

The airways, the network of tubes that pipes air into the lungs, deploy several defenses against bacteria. The liquid that coats the lining of the airways teems with microbe-fighting molecules and ...