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Digestive System

Learn about the digestive system, the process of food breakdown and absorption of nutrients. Explore different stages of digestion, primary and accessory digestive organs, and how to care for your digestive system. Discover common digestive disorders and their symptoms.

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Digestive System

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  1. Digestive System

  2. Digestive SystemFood must be broken down into nutrients in a form the body can use. The breaking down of food into simpler substances for use by the body is the job of the digestive system. The digestive system is a coiled, muscular tube (6-9 meters long) beginning with the mouth and ending with the anus

  3. Digestion Digestion is the process by which food is converted into solubleforms Digestive System Notes 7th Grade Science Unit 4

  4. Forms of Digestion

  5. Stages of Digestion

  6. Primary Digestive Organs

  7. Peristalsis

  8. Primary Digestive Organs (cont’d) Rectum – temporary storage site for solid waste

  9. Accessory Digestive Organs

  10. Care of the Digestive System • Eat foods that are high in fiber like fruits and vegetables Drink plenty of water Chew your food completely before you swallow Avoid foods high in fat

  11. Digestive Disorders • A. Ulcers - spot in stomach lining where cells are destroyed, lining unprotected, irritated by stomach acid • B. Gastritis - swelling of stomach lining, caused by irritating foods, alcohol, or bacteria • C. Acid Reflux - "back washing" of acid from the stomach into the esophagus; also called heartburn

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