asked 130k views
0 votes
What are some of the natural defenses that human bodies have to help keep pathogens out?

A. Cilia, tears, and skin
B. Cilia, skin, and clothing
C. Antibiotics, vaccines, clothing
D. Skin, eyelashes, and vaccines

1 Answer

1 vote
I think it's a as well
answered
User Abu Muhammad
by
8.7k points
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