The Digestive System Content Practice A LESSON 2

Name
Date
Class
Content Practice A
LESSON 2
The Digestive System
Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term is
used only once.
1. the act of eating
A. digestion
2. the breakdown of food into smaller particles
B. mouth
your body can use
3. occurs when the cells of the digestive system
take in small molecules of digested food
C. mechanical
D. ingestion
E. esophagus
4. the removal of waste from your body
F. absorption
5. type of digestion in which food is physically
G. villi
broken down
6. type of digestion in which food is chemically
broken down
7. proteins that help break down molecules and
speed up the rate of chemical reactions
H. chyme
I. elimination
J. enzymes
K. peristalsis
L. chemical
8. the organ of the digestive system where
M. homeostasis
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
digestion begins
9. a muscular tube that connects the mouth to
the stomach
10. waves of muscular contractions move food
through the digestive system
11. thin, watery liquid made of food and gastric
juices
12. fingerlike projections in the small intestine that
absorb nutrients
13. maintained as the circulatory system carries the
nutrients from digestion to all other body systems
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Digestion and Excretion