Microbiology: A Systems Approach 4th Edition

Published by McGraw-Hill Education
ISBN 10: 0073402435
ISBN 13: 978-0-07340-243-7

Chapter 14 - Host Defenses I - 14.1 Defense Mechanisms of the Host in Perspective - 14.1 Learning Outcomes-Assess Your Progress - Page 397: 2

Answer

a. Physical: Our skin acts as a physical barrier b. Chemical: Our sweat contains antibacterial properties c. Genetic: Some genes are more powerful to combat pathogens.

Work Step by Step

Three components of the first line of defense are: a. Physical: Our skin acts as a physical barrier b. Chemical: Our sweat contains antibacterial properties c. Genetic: Some genes are more powerful to combat pathogens.
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