Cystic fibrosis is a serious respiratory disease that is cau… Post author By Anonymous Post date January 23, 2025 Related Posts:Cystic fibrosis is a serious respiratory disease…Cystic fibrosis is a serious respiratory disease…Cystic fibrosis is a genetic disease. ← Fossils: → Which image below (A, B or C) shows a red blood cell in a hy…