The Digestive System Content Vocabulary

Name
Date
Class
Content Vocabulary
LESSON 2
The Digestive System
Directions: Answer each question on the lines provided. You must include the terms below in your answer.
chemical digestion
chemical reaction
chyme
digestion
enzyme
esophagus
mechanical digestion
peristalsis
substance
villi
1. How does chemical digestion differ from mechanical digestion?
2. What is peristalsis, and where does it occur?
3. How do enzymes affect chemical reactions?
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
4. Which substances make up chyme?
5. Which parts of the digestive system are connected by the esophagus?
6. Where are villi present, and what is their role in digestion?
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Digestion and Excretion