ANATOMY

Detailed explanation-1: -Bronchitis is an inflammation of the lining of your bronchial tubes, which carry air to and from your lungs. People who have bronchitis often cough up thickened mucus, which can be discolored. Bronchitis may be either acute or chronic.

Detailed explanation-2: -Bronchitis is an infection of the main airways of the lungs (bronchi), causing them to become irritated and inflamed. The main symptom is a cough, which may bring up yellow-grey mucus (phlegm).

Detailed explanation-3: -Bronchitis is a condition that develops when the airways in the lungs, called bronchial tubes, become inflamed and cause coughing, often with mucus production. Bronchitis can be acute (short-term) or chronic (long-term). Acute bronchitis, which is very common, usually results, from an infection, and may be contagious.

Detailed explanation-4: -The cause of chronic bronchitis is usually long-term exposure to irritants that damage your lungs and airways. In the United States, cigarette smoke is the main cause. Pipe, cigar, and other types of tobacco smoke can also cause chronic bronchitis, especially if you inhale them.

Detailed explanation-5: -The early course of acute bronchitis mimics that of the common cold, with symptoms including malaise, nasal congestion, rhinitis, and sore throat occurring in the first few days. 12. This is followed by the onset of a cough, which becomes the dominant symptom.