What do the mucosa of the respiratory, gastrointestinal and genitourinary tract have in common?

Health Safety And Nutrition F/Young Child
9th Edition
ISBN:9781305144767
Author:MAROTZ
Publisher:MAROTZ
Chapter18: Food Safety
Section: Chapter Questions
Problem A4CR
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What do the mucosa of the respiratory, gastrointestinal and genitourinary tract have in common?
O They produce endotoxins.
O They are smooth.
They don't have host defenses.
O They are portals of entry.
Transcribed Image Text:What do the mucosa of the respiratory, gastrointestinal and genitourinary tract have in common? O They produce endotoxins. O They are smooth. They don't have host defenses. O They are portals of entry.
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