Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 39 - Self-Quiz - Page 704: 1



Work Step by Step

A digestive system processes food, which is made up of four phases: 1. The taking in of food. 2. The breaking down of food mechanically and chemically into its components. 3. The absorption of nutrients into the body. 4. The expulsion of undigested or unabsorbed food outside the body.
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