The app contains two parts, the first part contains the structure of the human digestive tract and the second part contains various functions of the digestive tract. You can learn about the structure of the human digestive tract, which is divided into the esophagus, the stomach, the small and large intestines, and the colon. You can also learn about the functions of the digestive tract and the different roles that each one plays in the process of digesting food. For example, the esophagus is used for sending food to the stomach, which is used for breaking down food into smaller pieces, while the colon is used for sending the produced material to the body.

You can also learn about the different components of the human body and the different organs that make up the human body.

You can also find out what are the symptoms of various diseases and how to treat them.