the small intestine

haemorrhage the small intestine functions of small intestine: 1- completes digestion of food. 2- secretion of intestinal hormones. 3- absorption of digestive food products: the small intestine is considered to be the better site for absorption due to: a- large surface area of absorption. b- rich blood and lymphatic supply. the intestinal secretion the volume of this secretion is about 1 liter per day. it contains the following: 1- alkaline fluid: secreted by the crypts of lieberkuhn. ph is about 7.5. it is isotonic fluid. it contains mainly nacl and nahco3. no digestive enzymes. 2- mucus: this secreted as mucin and then it is hydrated into mucus. it is secreted from: a- brunner's glands: they secrete thick alkaline mucus to …

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