a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.

In contrast, diffusion of gases between inhaled air entering the lungs and capillaries occurs within the lungs. Circulation in the fish is accomplished by a two-chambered heart, whereas a four ...

Pulmonary fibrosis is a rare, chronic disease that causes scarring in the lungs, making breathing difficult for people who suffer with it. And, as University of South Florida pulmonologist Dr. Jose ...

An imbalance in gene activity in two types of immune cells explains why lung fibrosis after a severe COVID-19 infection doesn ...