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Antibodies are____.

part of the third line of defense, which activates T-cells and B-cells
part of the second line of defense, which causes a fever
not part of the immune response
part of the first line of defense, which brings white blood cells to the invader

Respuesta :

ihatemyson10

Answer:

A. Part of the third line of defense, which ativated T cells and B cells.

Explanation:

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