FINAL DIGESTION & ABSORPTIONChapter 2 Section 4Pages 68 - 71

Small Intestine: The part of the digestive system wheremost chemical digestion takes place.

*6 meters long

*2/3 of your digestive system

Almost all chemical digestion and absorption of nutrientstake place in the small intestine.

Liver: the largest, heaviest organ

*It breaks down medicines

*Helps eliminate nitrogen from the body

*Produces bile (Which breaks down fat)

Bile: A substance that breaks down fat particles. It’s made in the liver, stored in the gall bladder and thenused in the small intestine.

Gall Bladder: The organ that stores bile.

Pancreas: Triangular organ under the stomach.

*It produces enzymes for the digestive system

*These enzymes break down starches, proteins, &fats.

Villi: Millions of finger shaped structures lining your small intestine.

Large Intestine: The last section of the digestive system.

*1 1/2 meters long

*Shaped like a horseshoe

*Contains helpful bacteria

*Absorbs water into your blood

As material moves through the large intestine, water isabsorbed into the bloodstream. The remaining materialis readied for elimination from the body.

Rectum: Short, muscular tube that compresses waste into a solid form.

Anus: Muscular opening at the end of the rectum.