Matching Pairs Diseases of the digestive systemOnline version 3.1 Diseases of the digestive system by Bárbara Pamela Serrano Flores 1 Colitis is the inflammation of the colon. It can be coupled with stomach pain and diarrhoea. 2 Appendicitis is the Inflammation of the appendix, if not treated may cause peritonitis. 3 Gastritis is the inflammation of the mucous of the stomach. A bacteria might be the cause. 4 Reflux happens when stomach acid or bile irritates the food pipe lining and sphincter can't contain the juices. 5 Streptococcus is the common bacteria for this disease 6 Caries are cavities formed on teeth due to a bacterial growth. 7 Helicobacter pylori is the common bacteria for this disease Dental cavities Gastritis