Air sac cannulas are indicated in birds with upper respiratory obstruction or for ventilation during surgical procedures involving the head and neck. Proper technique, knowledge of potential ...

The most common form of lung cancer is primarily found in non-smokers, a new study reveals. Doctors react to the surprising driver of the disease and other risk factors.

These end in microscopic air sacs called alveoli. The process of ventilation as a series of changes in pressure within the thorax can be modelled using the bell jar model. Parts of the model ...

Because the Sacramento Valley is shaped like a bowl, smog presents a critical problem in the summer, when an inversion layer traps pollutants close to the ground, causing unhealthy air quality levels.