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161-164 CM 825477-5 2/3/98 7:59 PM Page 162
Name ___________________________________________________________________
Date ____________
Class ______________
Content Mastery
CHAPTER
38
DIGESTION AND NUTRITION
Section 38.1 Following Digestion of a Meal
Section 38.2 The Control of Digestion and Homeostasis
Section 38.3 Nutrition
Study the Diagrams
Study the diagram. Then answer the questions.
How Long Is Your Digestive System?
Mouth
Esophogus
6m
1.6 m
Small intestine
Large
intestine
Food
Stomach
Rectum
The mouth; it can only hold small bites of food.
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2. What part of the digestive system is the largest? Explain your answer.
The small intestine; it is about 6 m long.
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3. The digestive system is about 9 m long. How tall are you? How can the digestive system fit in
your body?
Students heights will vary. The digestive system folds over and over on itself
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inside the body.
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162
CHAPTER 38 BIOLOGY: The Dynamics of Life
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
1. What part of the digestive system is the smallest? Explain your answer.
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