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What are the five physical and chemical defenses that prevent pathogens from entering your body?
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20 votes
20 votes
What are the five physical and chemical defenses that prevent pathogens from entering your

body?

User Turanga
by
3.1k points

2 Answers

23 votes
23 votes
Skin
Cilia
Saliva
Tears , etc
User Taseer
by
2.2k points
5 votes
5 votes
Skin, mucous membranes, cilia, saliva and tears, digestive system and immune system
User Brent D
by
2.4k points
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