The study of diseases and normal function related to the throat, stomach, small intestine, colon, the lower part of the the liver, gallbladder, bile ducts, and liver is known as gastroenterology. It requires a thorough understanding of the gastrointestinal system’s normal operation or physiology, which includes the motility of food passing through the stomach and intestines, the digestion and absorption of nutrients into the body, the elimination of waste from the system, and the role of the liver as a digestive organ. It covers common and important disease such hepatitis, peptic ulcer disease, colitis, gallbladder and biliary tract disease, nutritional issues, Irritable Bowel Syndrome (IBS), colon polyps and cancer, and pancreatitis. Basically, the study of all regular function and illnesses involving the digestive system involves