Knowledge Check out a game to learn about cystic fibrosis. CFTR Structure Function Cellular Processing Mutations Effects on Other Channels Presentations Prenatal Diagnosis Newborn Screening Meconium Illeus Respiratory Problems Gastrointestinal Problems Unusual Presentations Diagnostic Testing Prenatal Screening Newborn Screening Sweat Test CFTR Gene Mutation Analysis Nasal Potential Difference Additional Testing Effects of CF Sinus Lung Pancreas Gastrointestinal Tract Intestines Diabetes Liver Reproduction Bladder/Kidney Muscle/Bone CF A to Z Resources Kid’s Corner Resources Kid’s Corner Kid's Corner Related Resources CFantastic Anatomy CFabulous Coloring CFix the Channel CFab Team Members CFun Food Facts CFree the Mucus CFun Matching CFind the Words CFunky Crossword The Digestive System