Human Biology Lab
Human Biology Lab
15th Edition
ISBN: 9781308566672
Author: McGraw-Hill Education
Publisher: Mcgraw-Hill
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Chapter 7, Problem 4TC
Summary Introduction

To determine:

The analogy for the barrier defenses such as the mucous membrane and skin.

Introduction:

Anatomical barriers include the skin, mucous membrane and hair appendages on the epithelia. It is a type of innate immunity of the body. The innate defense includes the skin, chemicals that degrade the foreign particles and the immune cells found in the blood. It acts on the pathogen in a general form which means it has the same response to every pathogen. The immunity provided by this barrier last for a lifetime, but no form of memory cells is involved

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