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What is the digestive system? What is the digestive system?

What is the digestive system? - PowerPoint Presentation

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Uploaded On 2016-03-02

What is the digestive system? - PPT Presentation

Physical changes involve the physical tearing grinding crushing and churning of pieces of food These processes increase surface area which helps speed up the chemical changes of digestion During ID: 238899

small intestine chemical food intestine small food chemical physical occur digestion stomach body large mouth molecules saliva fluids proteins

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