The Respiratory System

      (1) Mr. Trojan just turned 70 and finds that it is increasingly difficult to breath. The doctor tells him that he has congestive obstructive pulmonary disease (COPD). Explain to Mr. Trojan what COPD is, including the two major lung diseases discussed in class, and how that may affect his daily activities. (2) Briefly describe (A) why smoking is harmful and (B) list five of the many major diseases that are linked to smoking.