what are the functions of duodenum,jejunum and elium in the small intestine?
Answers
DUODENUM: It plays a vital role in the chemical digestion of chyme in preparation for absorption in the small intestine. Many chemical secretions from the pancreas, liver and gallbladder mix with the chyme in the duodenum to facilitate chemical digestion.
JEJUNUM: It is responsible for absorbing nutrients from digested food into the bloodstream. The jejunum is able to absorb these nutrients because it is lined with finger-like projections that are called villi.
ILIUM: The function of the ileum is mainly to absorb vitamin B12 and bile salts and whatever products of digestion were not absorbed by the jejunum. The wall itself is made up of folds, each of which has many tiny finger-like projections known as villi on its surface.
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