digestive system gizmos-REVIEWED BY EXPERTS 2021
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Student Exploration: Digestive System Vocabulary: absorption, amino acid, carbohydrate, chemical digestion, chyme, complex carbohydrate, digestion, digestive system, elimination, enzyme, fat, fatty ... acid, fiber, food calorie, mechanical digestion, monoglyceride, nutrient, peristalsis, protein, starch, sugar, villus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Why do we need to eat food? Food provides a source of energy and raw materials for growth and development. 2. How do you think our bodies break food down into useful nutrients? Teeth chew food into small pieces, which are swallowed and are then transported to the stomach. Chemicals in the stomach and intestines further break down food into simple nutrients, which are absorbed into blood. Gizmo Warm-up The digestive system is a group of organs that does three things: First, the digestive system breaks food down into useful nutrients, a process called digestion. Next, the nutrients move into the bloodstream, a process called absorptio [Show More]
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