Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 9 - Section 9.2 - The Mouth, Pharynx, and Esophagus - Check Your Progress - Page 173: 2

Answer

In the mouth, the teeth begin the process of mechanical digestion by chewing food into smaller pieces. Also in the mouth, an enzyme called salivary amylase starts to break down starch.

Work Step by Step

In the mouth, the teeth begin the process of mechanical digestion by chewing food into smaller pieces. Also in the mouth, an enzyme called salivary amylase starts to break down starch.
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