Integrated COPD Solutions Center
What is COPD?
Anatomy of the Respiratory System The respiratory system includes the nose, pharynx, larynx, trachea, and lungs.
Chronic Bronchitis Chronic bronchitis is long-term inflammation of the breathing tubes (bronchi). It is common among smokers. People with chronic bronchitis tend to get lung infections more easily. They also have episodes of acute bronchitis, when symptoms are worse.