asked 21.7k views
0 votes
All of these are first-line defenses EXCEPT ____. a. saliva c. antibodies b. cilia d. enzymes

2 Answers

5 votes
it is antibodies the are in the blood

answered
User Let Me Ask
by
7.9k points
4 votes
I think the answer is B could be wrong though
answered
User Zfedoran
by
8.4k points
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