Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 47, Problem 6TYK
Summary Introduction

Introduction:

Most invertebrates and all vertebrates show extracellular digestive system consisting of a digestive tract along with the digestive organs. The digestive tract is a specialized tube in which the digestive contents move in one direction from the mouth to the anus.

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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License