The Digestive System - PowerPoint PPT Presentation

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The Digestive System

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The Digestive System 1 2 5 4 6 7 8 9 10 11 12 3 1 2 4 3 5 6 7 8 9 The Digestive System Video http://www.ltscotland.org.uk/glowscience/human_body/digestion/film_184 ... – PowerPoint PPT presentation

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Title: The Digestive System


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The Digestive System
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The Digestive System Video
  • http//www.ltscotland.org.uk/glowscience/human_bod
    y/digestion/film_184/index.html
  • http//www.brainpop.com/health/bodysystems/digesti
    vesystem/

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Why is digestion important?
Digestion is the breakdown of big bits of food
into small nutrients that can get into our blood.
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Model Gut Experiment
Visking tubing acts like the intestine wall.
Inside Intestine
Blood
Tubing 10 ml Starch Beaker Water Iodine
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Model Gut Experiment
Visking tubing acts like the intestine wall.
Tubing 10 ml Starch Beaker Water Iodine
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Inside Tubing / Intestine Starch
Outside Tubing / Blood Water Iodine
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Inside Tubing / Intestine Starch
Outside Tubing / Blood Water Iodine
Starch is too big to move into blood
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