Labels:text | cartoon | drawing OCR: CYSTIC FIBROSIS, Lung airways Lining colls Normal OF linod with have gone allows calls channels to wator and koop airways salt to leave moist coll How it strikes And how it is being tackled Normal gene 'wrapped' in fat lo assist coll entry is introduced via aorosol Defective CF gone Normal gone blocks channel to makes new, lung unblocked channol