Bronchus and bronchioles. Diagram of the anatomical structure of the bronchi and their bronchioles, the main aspects of the respiratory system. At lef

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Bronchus and bronchioles. Diagram of the anatomical structure of the bronchi and their bronchioles, the main aspects of the respiratory system. At left, the trachea splits into two bronchi that go to the left and right lungs. The bronchi split themselves into secondary bronci, and then again into tertiary bronchi. After that point, they split into even smaller tubes called bronchioles. A bronchiole is shown at upper right, ending in what is called a terminal bronchiole and the alveolar sacs (clusters). These are the alveoli, where gaseous exchange of carbon dioxide and oxygen to and from the blood takes place.

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Size: 5000px × 3527px
Photo credit: © FRANCIS LEROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: airway, alveolar, alveoli, alveolus, anatomical, anatomy, artwork, biological, biology, body, bronchi, bronchiole, bronchioles, bronchus, cartilage, chest, diagram, human, illustration, lung, luns, organ, physiological, physiology, primary, respiratory, sac, sacs, secondary, system, terminal, tertiary, throat, trachea, tube, tubes