Mr. Gianni's PowerPoint
http://www.elu.sgul.ac.uk/rehash/guest/scorm/309/package/content/pulmaonary_vent.htm
http://learn.fi.edu/learn/heart/systems/respiration.html
http://www.thoracic.org/clinical/copd-guidelines/for-patients/anatomy-and-function-of-the-normal-lung.php
http://www.pharmaxis.com.au/respiratory--diseases
http://www.elu.sgul.ac.uk/rehash/guest/scorm/309/package/content/pulmaonary_vent.htm
http://learn.fi.edu/learn/heart/systems/respiration.html
http://www.thoracic.org/clinical/copd-guidelines/for-patients/anatomy-and-function-of-the-normal-lung.php
http://www.pharmaxis.com.au/respiratory--diseases