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3 Lines of defence (3rd line of defence (Helper Tcells (After they…
3 Lines of defence
3rd line of defence
Helper Tcells
After they recognise the antigen, they release chemicals called cytokines that activate the cloning of specific b and t cells
Memory T cells
remain in the body to respond quickly to future invasions by the same antigens respond quickly to future invasions by the same antigens
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Antibodies
Antibodies are produced by plasma cells and seek out the antigen and bind to it, causing deactivation of the antigen.
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2nd line of defence
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Inflamation
The bodies response to an invasion buy sending more white blood cells to the infected area this plumps the area up.