Sex differences in airway size are not innate, but likely develop because of hormonal changes around puberty, reports a new study by the University of Waterloo. Smaller airways can lead to the ...

Placement of a double-lumen endotracheal tube is an airway-management technique that permits isolation and selective ventilation of a single lung. Double-lumen tubes are bifurcated into a bronchial ...

In less than 90 minutes, a new, less invasive electrical stimulation technique has been found to improve breathing in people with sleep apnea. The technique, which involves percutaneous hypoglossal ...

Development of the lung as a derivative of the upper gastrointestinal tract. Predisposition of anatomy of the lungs to aspiration of food, saliva, and vomitus. Development of four-chambered heart to ...