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 45.1, Problem 1SB
Summary Introduction

To review:

The characteristics of the epithelial surface that protects against pathogens.

Introduction:

Physical and chemical barriers protect the body against pathogenic invasions. The skin that covers the exterior of the body and the epithelial surface that lines the internal body cavities and ducts, act as the first line of defense against pathogens.

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