6 Conditions That Increase the Risk of Developing Bronchiectasis February 2, 2017 by Wendy Henderson In Social Clips. Cilia Function Disorders Cilia are structures which line the airways and look like tiny hairs. They help move mucus along the airways in order to clear it from the lungs. Understand the pathology of bronchiectasis with simple diagrams. Print This Page Pages: 1 2 3 4 5 6