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human nutrition - Coggle Diagram
human nutrition
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human alimentary canal
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oesophagus
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food moves down due to peristalsis created by circular muscles and longitudinal muscles that create a squeezing action
pancreas
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produces carbohydrase, protease and lipase enzymes
stomach
gastric juice is released from stomach lining when it detects food in the stomach, made up of pepsin (protease) and HCl (removes bacteria)
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small intestine
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ileum
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villi have a thin lining, a large network of capillaries and have a large surface area
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