's general knowledge of intestines

's general knowledge of intestines
The intestines mean the digestive tube from pylorus of stomach to rectum. The intestines are the longest segments in digestive tube, it is the most important segment of function too. The mammalian intestines include the small intestine, large intestine and large Section of rectum 3. A large amount of digestion function and absorption that nearly all digest the product are in small intestine, the large intestine mainly concentrates the residue of food, form the excrement and urine, and then discharge outside the body by the rectum through the rectum.
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