Biology: Life on Earth with Physiology (11th Edition)
Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 37, Problem 1FIB

External defenses against microbial invasion include the ____________ and the mucous membranes that line the ____________, __________, and __________ tracts.

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Biology: Life on Earth with Physiology (11th Edition)

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Mechanisms of Pathogenicity: Microbiology; Author: Dr. Frank O'Neill GrowGrayMatter;https://www.youtube.com/watch?v=SDyl0JNCeho;License: CC-BY