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strojnjashka [21]
3 years ago
11

What are the front line barriers for keeping pathogens out of the body?

Health
2 answers:
aniked [119]3 years ago
6 0

Answer:

the skin

Explanation:

olganol [36]3 years ago
4 0

Answer:

Skin

Explanation:

Mucous membranes, and endothelia serve as physical barriers that prevent microbes.

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