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Slide 1 Slide 2 EPITHELIAL CELLS. ORGANS. TISSUES. THE HUMAN DIGESTIVE SYSTEM. Slide 3 Epithelial cells are highly specialized cells that line the small intestine. They help…
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Slide 1 Slide 2 Regents Biology Animal Nutrition Human Digestion Slide 3 What do you need to live? You make energy using: food oxygen You build your body using: food for…