Colon
The upper three parts located in the hand, neck, and chest maintain a relatively straight direction. In the pharynx the alimentary canal intersects with the respiratory tract. After the oesophagus passes through the diaphragm, the digestive tube dilates and thus forms the stomach; the next in order after the stomach, the small intestine, is in turn composed in the duodenum, jejulum, and ileum. The large intestine consists of the caecum with the vermiform process, the ascending, transverse, descending, and sigmoid colon.
These parts of the digestive tract in the different mammals differ in the extent of their development, depending on the mode of life and the character of nutrition. HL7 training fcouses on these