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The Digestive System Organ System Main Organs Function Interacts With

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The Digestive System Organ System Main Organs Function Interacts With Mrs. Keadle JH Science Name__________________________________ period _____ date assigned_____________ date due ______________ date returned _____________ The Digestive System Use the Digestive System Power Point to help you answer the following questions. organ main organs function interacts system with: digestive system Label and color the parts of the digestive system 1 The Digestive System Mrs. Keadle JH Science Match the following vocabulary words to their definitions by placing the correct letter in the blank. ______ 16. digestion A. when chemicals produced by the body break foods into their smaller nutrients ______ 17. mechanical digestion B. when the waste material left over after absorption is removed from the body ______ 18. chemical digestion C. the breaking down of food into smaller nutrients ______ 19. absorption D. when nutrient molecules pass through the digestive system into the blood ______ 20. elimination E. when food is physically broken down into smaller pieces Describe what takes place in each of the following: 21. mouth 22. esophagus 23. stomach 24. small intestine 25. large intestine 26. Which cell parts perform the same job in the cell as the digestive system does for an organism? 2 The Digestive System Mrs. Keadle JH Science 28 What is the primary function of the villi in the small intestine? F to help blood flow into the veins G to increase nutrient absorption H to decrease water absorption J to help produce vitamin A 27 What two body systems are 29 The mitochondria, the cell represented in this diagram? membrane, and lysosomes perform the same functions for A respiratory and reproductive the cell that the _______ system does for our body. B muscular and skeletal A skeletal C digestive and respiratory B digestive D circulatory and endocrine C circulatory D respiratory 3 The Digestive System Mrs. Keadle JH Science 30 In which organ does almost all 32 Mechanical digestion begins with absorption take place? the - F liver F salivary glands G pancreas G teeth H small intestine H epiglottis J gall bladder J esophagus 31 When a person’s body needs 33 Which function is performed food, the brain helps maintain primarily by the digestive homeostasis by sending signals system? that make the person A exchange of gases between A feel hungry. the blood and the environment B perspire. B removing wastes from the C put on a sweater. body D feel tired. C breakdown of large molecules into smaller ones D transport of nutrients to cells 4 The Digestive System Mrs. Keadle JH Science 34 To show students that gravity alone is not the only force that helps move food through the body, the teacher does a headstand and eats a cookie. Which of the following is MOST responsible for moving the food to the teacher’s stomach while upside down? F chewing by teeth G movement of the tongue H squeezing by the esophagus J contraction of the stomach 35 Which of the following phrases describe the function of the digestive system? I. Smooth, muscular tube connects the mouth to the stomach II. Muscular action in the esophagus pushes food to the stomach III. Structures called villi absorb nutrients from food IV. Nutrients are made available to the body’s cells A I and II B II and III C II and IV D III and IV 5 The Digestive System .
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