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mote1985 [20]
3 years ago
6

The mucus in your nose and the acid in your stomach are both front-line defenses against pathogens. which of the following is al

so a front-line defense?
a- your antibodies
b- your leukocytes
c- your t-cells
d- your skin
Health
2 answers:
ioda3 years ago
7 0
The skin is the first defense line
Lubov Fominskaja [6]3 years ago
5 0

Answer:

Your skin

Explanation:

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