What is the irritation of the breathing passages called

Bronchitis

Explanation:

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.

Inflammation of the lining of bronchial tubes, which carry air to and from the lungs.

Acute bronchitis is often caused by a viral respiratory infection and improves by itself.

Symptoms of bronchitis include coughing up thickened mucus and shortness of breath.

Treatments usually includes soothing remedies to help with coughing, which may last weeks. Antibiotics are not usually recommended.

answer; i believe the answer is moderate level;