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2 votes
What are the five physical and chemical defenses that prevent pathogens from entering your

body?

User Raj Rj
by
3.8k points

2 Answers

1 vote
Skin
Cilia
Saliva
Tears , etc
User Amr Gawish
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3.7k points
4 votes
Skin, mucous membranes, cilia, saliva and tears, digestive system and immune system
User Lejiend
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3.6k points