08. Primary and Secondary immune responses

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Biology

GCSE Biology

WJEC

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4 Terms

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What is a primary immune response?

The 1st time the immune system responds to a particular pathogen

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What is a secondary immune response?

The 2nd time the immune system responds to a particular pathogen it has already been exposed to

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Which immune response is more effective?

Secondary immune responses

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Why are secondary immune responses more effective at fighting off infection?

As you have more memory cells, can make more antibodies more quickly