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22 votes
Which is NOT considered FIRST line of defense?

(1 Point)
White Blood Cells
Mucous Membranes
Hair
Skin

User Zenco
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1 Answer

8 votes

Answer:

A. White Blood Cells

Step-by-step explanation:

Which is NOT considered FIRST line of defense? (1 Point) White Blood Cells Mucous-example-1
User Noslone
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