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

asked Feb 17, 2022 93.8k views

2 votes

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

body?

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1 vote

Skin
Cilia
Saliva
Tears , etc

Amr Gawish answered Feb 18, 2022

5.8k points

4 votes

Skin, mucous membranes, cilia, saliva and tears, digestive system and immune system

Lejiend answered Feb 21, 2022

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