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Arisa [49]
4 years ago
7

During a second infection, the immune system activates _____ that were created during the first exposure.

Biology
2 answers:
navik [9.2K]4 years ago
7 0
During a second exposure to pathogens/viruses, the B helper and T helper cells are activated quicker, and so antibodies are made quicker to help fight against the infection
oee [108]4 years ago
3 0

The immune system activates helper T cells. // grad point

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