small intestines
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11 Terms
function of small intestines
breaks down food
small intestines has 3 regions
duodenum, jejunum, ileum
duodenum
-receives chyme from stomach
-enzyme(digestion) and juices (buffer) from pancreas
red
-jejunum
nutrient absorption occurs here
-most folds and surface area for absorption
bottom part of colon
little nutrient absorption, recycles bile and enzymes
cells in small int
Simple columnar cells
Simple columnar cells in the small intestine
secrete: hormones and enzymes
absorb: nutrients
under simple columnar e.t in small int
-lipids enter the sympathic system through lacteals.
-veins
permanent folds in stomach
circular folds
-have villi and microvilli
villi
contain blood vessels and lymph capillaries to absorb nutrient
microvilli
maximize absorption and have digestive enzymes
Note 
Flashcards (47)