You have millions of air sacs (alveoli) in your lungs. These air sacs move oxygen into your blood. Alveolar walls contain surfactant. This is a substance made of fats, proteins, and other substances.

Extending the use of a continuous positive airway pressure (CPAP) treatment in premature infants by two weeks significantly increases lung volume and lung diffusion capacity, according to a new study.

The lung is a highly specialised organ that develops through a complex series of branching events and cellular differentiation processes. From the initial budding of the foregut, the formation of ...