The trachea, also called the windpipe, is part of the passageway that supplies air to the lungs. Any prolonged blockage, even for a few minutes, can cause death. The trachea is about 4.5 inches long ...

The trachea is a tube-like structure in the neck and upper chest. It stretches from the larynx, or voice box, to the bronchi and transports air to and from the lungs when a person breathes. When a ...

Ciliary Streaming in the Bronchial Tree The flow of the ciliary stream in the bronchial tree of man is directed generally upward against gravity. Paradoxically, downstream is up toward the larynx, and ...

Bronchial breath sounds are different noises your doctor can hear when listening to your breathing. Atypical sounds can indicate an underlying condition. Bronchial breath sounds, or lung sounds, are ...

THE complex nature of chronic bronchitis makes it difficult to define the relative importance of the many factors that might contribute to its pathogenesis and course. 1,2 The progressive decline of ...