Lungs picture
The major features of the lungs include the bronchi, the bronchioles and the alveoli. The alveoli are the microscopic blood vessel-lined sacks in which oxygen and carbon dioxide gas are exchanged.



Review Date: 10/10/2005
Reviewed By: A.D.A.M. Medical Illustration Team: Meredith Nienkamp, M.S.M.I., Dan Johnson, M.S.M.I., Lisa Higginbotham, M.S.M.I. Review also provided by VeriMed Healthcare Network.