From Burger to bowl in 72 hours

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By: Katherine Pease 7th Grade Science
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Presentation transcript:

From Burger to bowl in 72 hours Digestion System From Burger to bowl in 72 hours

Purpose: To enable the absorption of the nutrients needed for growth, maintenance and repair

Components of Digestion Ingestion = the taking in of nutrients = enters by mouth Digestion = the breakdown of complex organic molecules into smaller components by physical & chemical means Physical – done by teeth, and stomach Chemical – done by mouth, stomach, liver, gallbladder, pancreas, small intestine

Absorption The taking up of digested molecules into our cells Done by stomach, small intestine (villi), large intestine small intestine (villi)

Egestion The removal of waste from the body Done by large intestine, rectum and anus

YouTube videos “Endoscopy of 2 giant gastric ulcers” “Teenage gastric bypass surgery”

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