What Are Four Barriers To Pathogens Entering The Body Why Are They Important? [Solved]

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What Are Four Barriers To Pathogens Entering The Body Why Are They Important? [Solved]

Chemical Barriers Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens. Urine is too acidic for many pathogens, and semen contains zinc, which most pathogens cannot tolerate. In addition, stomach acid kills pathogens that enter the GI tract in food or water.5 Mar 2021

Human Defence Systems Against Pathogens | Health | Biology | FuseSchool

Human Defence Systems Against

GCSE Biology - Immune System (Defences Against Pathogens) #38

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What Are Pathogens? | Health | Biology | FuseSchool

What Are