The alimentary tract

The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. In addition to the alimentary canal, there are several important accessory organs that help your body to digest food.but do not have food pass through them. Accessory organs of the digestive system include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas.

The alimentary tract 1
Mouth and oral structures 2
Pharynx 4
Esophagus 5
Stomach 6
Small intestine 8
Large intestine 11
Rectum and anus 12
Liver 13
Biliary tract 14
Pancreas 14
General features of digestion and absorption 15