Digestive system

**The digestive system** is one of the most important systems in the human body. It is responsible for processing and assimilation of food that enters the body. The digestive system is made up of many organs and tissues that work together to provide these functions. In this article, we will look at the main components of the digestive system and their functions.

**The alimentary tract** is the main structure in the digestive system, which begins in the mouth and ends in the anus. The digestive tract consists of the stomach, small intestine, colon and anus. The main function of the digestive tract is to break down food into simpler molecules that can be used by the body for energy and nutrients.

The *stomach* is the first organ in the digestive tract. It performs the function of mixing food with gastric juice and the initial digestion of food. Gastric juice contains