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ileum
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Ileum
 into the stomach. Digestion starts in the mouth and continues in the stomach as the food is mixed with enzymes and strong acid. After several hours, the food passes to the small intestine. Here more enzymes are added and digestion is completed. After all nutrients have been absorbed, the indigestible parts pass into the large intestine and thence to the rectum. The liver has many functions, such as storing minerals and vitamins and making bile, which is stored in the gall bladder until needed for the digestion of fats. The pancreas supplies enzymes. The appendix appears to have no function in human beings.', copy:'(Image © RM)'});)
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Part of the small intestine of the digestive system, between the duodenum and the colon, that absorbs digested food.
Its wall is muscular so that waves of contraction (peristalsis) can mix the food and push it forward. Numerous fingerlike projections, or villi, point inwards from the wall, increasing the surface area available for absorption. The ileum has an excellent blood supply, which receives the food molecules passing through the wall and transports them to the liver via the hepatic portal vein.
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alimentary canal
amino acid
amylase
anus
balanced diet
bile
bloodstream
carbohydrate
colon (anatomy)
diffusion
digestion
duodenum
egestion
emulsify
enzyme
fat
fatty acid
fibre, dietary
food test
glycerol
growth (biology)
ileum
intestine
lipase
liver
mineral salt
mouth
nutrition
oesophagus
organ (anatomy)
pancreas
pepsin
peristalsis
protease
protein
repair
saliva
stomach
stomach acid
villus
vitamin
water
amino acid
amylase
anus
balanced diet
bile
bloodstream
carbohydrate
colon (anatomy)
diffusion
digestion
duodenum
egestion
emulsify
enzyme
fat
fatty acid
fibre, dietary
food test
glycerol
growth (biology)
ileum
intestine
lipase
liver
mineral salt
mouth
nutrition
oesophagus
organ (anatomy)
pancreas
pepsin
peristalsis
protease
protein
repair
saliva
stomach
stomach acid
villus
vitamin
water
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