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HBSL7

Lesson 7 Surface Area and Absorption

QuestionAnswer
Finger-like projections in the small intestine that increase surface area. Villi
The large intestine. Colon
Holds feces and absorbes excess water. Large Intestine
Water, undigested food, mucus, dead cells and bacteria. Feces
When feces moves through the colon too quickly and there is not enough time to eliminate excess water. Diarrhea
When feces moves through the colon too slowly and too much water is absorbed. Constipation
Medication that increases the speed of peristalsis and feces movement speeds up. Laxative
End of the colon for feces collection. Rectum
The passing of fluid and nutrients from one side of a membrane to the other. Absorption
These 3 items increase the surface area of our small intestines by 600 times. Folds, Villi and Microvilli
Created by: lfreeze
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