Digestion
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Absorption
Simple animation on absorption in small intestine.
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Crash Course biology digestion
Crash Course Biology Youtube video on digestive system.
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Digestive system
Revision page on the digestive system from Biology Innovation site.
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GI system
Tutorial from Virtual Autopsy site
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Lactose intolerance
Page of information from a food allergy site.
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Organs of digestion
Animation and quiz.