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12 terms

Chapter 3 Digestion

Section 3-4 Final Digestion and Absorption
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small intestine
part of the digestive system where most chemical digestion takes place.
liver
organ of digestion,makes bile for the digestive system
bile
substance that breaks up fat particles
gallbladder
an organ that stores bile
pancreas
an organ of digestion,triangular organ located between the stomach and the first part of the small intestine. produces digestive enzymes that help break down carbohydrates, proteins, fats.
villi
tiny finger shaped structures in the inner surface of the small intestine. increase surface area of small intestine, more surface area more nutrients can be absorbed.
large intestine
last section of the digestive system where water and undigested food that is left from small intestine go
rectum
short tube where the large intestine ends. where waste material is compressed into solid form
anus
muscular opening at the end of the rectum where waste material is eliminated from the body
Function of small intestine
helps absorption of small nutrient molecules.
where chemical digestion and the absorption of nutrients take place
Function of liver
makes bile for the digestive system and bile breaks up fat particles
Function of pancreas
produces digestive enzymes that help break down carbohydrates, proteins, fats.