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The first line of defense involves which structure(s)? O T-cells O skin O blood OB-cells Plz help me and don’t just say you got I right
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The first line of defense involves which structure(s)?

O T-cells
O skin
O blood
OB-cells
Plz help me and don’t just say you got I right

User Johan Prinsloo
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1 Answer

3 votes
The first line of defense involves the structure skin
User Omer Zak
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