Bronchitis
What Is Bronchitis? Bronchitis is when the lining of the large breathing tubes get inflamed (swollen and red). These airways, called the bronchial tubes, connect the windpipe to the lungs. Their delicate lining makes mucus, and covers and protects the organs and tissues involved in breathing. Bronchitis (brong-KYE-tis) can: Make it hard for air to pass …
