The correct answer is inflammation in the airway.Asthma is an inflammatory disease of the airways to the lungs which makes breathing difficult and affects some physical activities in humans.In this disease, the air passages of the lungs become too narrow because of excessive production of mucus.The most common symptoms of asthma include wheezing, tightness in the chest, fatigue, coughing, and shortness of breath.Cystic fibrosis is a hereditary disease that affects the lungs and digestive system.It can be life-threatening.Additional Information Pneumonia is an infection that causes the inflammation of the air sacs in one or both lungs. It is caused by a variety of organisms, including bacteria, viruses, and fungi.Tuberculosis (TB) is a contagious infection that attacks our lungs. It is caused by a type of bacteria called Mycobacterium tuberculosis.