small intestine Flashcards
What are the three sections of the small intestine
duodenum
jejunum
ileum
The space in which food passes is the called the
ileum
The wall of the small intestine contains smooth muscle tissue which ……… to ………..
rhythmically contracts (peristalsis)
to move food along
What happens in the duodenum
Carb , lipid and protein digestion occur mainly here
with enzymes produced in the pancreas and small intestine themselves
How is soluble food absorbed into blood stream
and which section
soluble foods are absorbed into blood stream by diffusion and active transport through the small intestine
mainly in jejunum
and ileum
What is the ileum lined with and how does this help absorption
Lined with villi( finger like structures) to increase surface area and amount of area absorption can take place over
also some water absorption take place here