Digestive System
Human Body Unit Part VI/XIII The Digestive System Copyright © 2010 Ryan P. Murphy.
Dr. Ryan Chapter 3
Principles of Anatomy and Physiology Thirteenth Edition Chapter 24 The Digestive System Copyright © 2012 by John Wiley & Sons, Inc. Gerard J. Tortora Bryan.
Chapter 12: Digestive System Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.