Introduction
- nasal cavities and sinuses
- pharynx
- larynx, trachea
- bronchial tree
- lungs
- pleural membranes
- Breathing - Ventilation and exhalation moves air into and out of the lungs. One of each forms the respiratory cycle.
- Exchange of the respiratory gases (oxygen and carbon dioxide) occurs in the alveoli and pulmonary capillaries.
- Blood transport of oxygen and carbon dioxide between the lungs and the body cells.
This page was updated in November 2005.
