Gastrointestinal system
From Simple English Wikipedia, the free encyclopedia
The gastrointestinal system is the body system that eats and digests food. It also gets rid of waste after digestion. The gastrointestinal system starts at the lips and ends at the anus.
The gastrointestinal tract is the gut and other organs that help us digest food.
The gut is the round tubes that food goes through and is digested. The parts of the human, and some other animals, gut system are:
Other organs that are part of the gastrointestinal system but are not part of the gut are:
Food does not go through these organs. But they help the gut digest the food. They also have other work. For example the pancreas also is an endocrine gland that makes hormones like insulin.
There are many diseases that affect the gastrointestinal system. Doctors who study the gastrointestinal tract are called gastroenterologists.
| Gastrointestinal system |
| Mouth • Tongue • Salivary gland • Pharynx • Esophagus • Stomach • Pancreas • Gallbladder • Liver • Intestines: Small intestine (Duodenum • Jejunum • Ileum) • Large intestine (Cecum • Colon • Rectum) Anus |
