Bronchitis is caused by inflammation and swelling in the airways inside the lungs, which are called bronchi. Because these airway tubes carry oxygen to the lungs, the swelling associated with ...
Bronchitis is caused by inflammation and swelling in the airways inside the lungs, which are called bronchi. Because these airway tubes carry oxygen to the lungs, the swelling associated with ...
ElinaMartin999 commented on Denise DeWitt's post Is Bronchitis Contagious? The Answer May Surprise You!