Lungs

Innate immune system specific to the lung
Researchers Reveal Lung's Unique Innate Immune System

http://www.sciencedaily.com/releases/2006/04/060419073650.htm

Micobacteria avium

Is a major cause of respiratory disease in developed countries

Emphysema explained http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Emphysema_explained

The alveoli are located in the respiratory zone of the lungs

Mycoplasma pneumoniae

Lung regeneration

Lung Regeneration Closer to Reality With New Discovery by Weill Cornell Medical College Researchers

http://weill.cornell.edu/news/releases/wcmc/wcmc_2011/10_28_11.shtml