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Virty [35]
4 years ago
11

All of these are first-line defenses EXCEPT ____. a. saliva c. antibodies b. cilia d. enzymes

Biology
2 answers:
Debora [2.8K]4 years ago
6 0
It is antibodies the are in the blood

Maru [420]4 years ago
3 0
I think the answer is B could be wrong though
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