 The small intestine is one of the organs that help the digestive and excrementory processes  The small intestine is mad up of 3 parts 1. Duodenum 2. Jejunum 3. Ileum

 The small intestine contains many distinct types of cells, each of serve a specific function.  Enterocytes Cell  Goblet Cell  Paneth Cell  Enteroendocrine Cell  Microfold Cell  Undifferentiated Cells

 Enterocytes absorb amino acids and monosaccharides by active transport, these cells last about 5-6 days  The Goblet Cells secretes the mucus that lubricates the passage where food passes by and protects it from digestive enzymes, lifespan is also of 5-6 days  Paneth Cells pagothyze some bacteria and protozoa, they also contain antibacterial enzymes  Enteroendocrine Cells they produce cholecystokinin, which stimulates pancreatic enzyme production and alos inhibits gastric acid secretion  Microfold cells endocytose antigens and transport them to the underlying lymphoid cells  Underdifferentiated cells are destines to be goblet cells or goes through 2 divisions

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