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When we fail to reject the null hypothesis,the question of the nature of the relationship is:
Memory Cells
A type of lymphocyte that remains in the body for a long time after infection or vaccination, providing immunity by remembering the pathogen.
Adaptive Immunity
The branch of the immune system that involves memory, allowing for a faster and more specific response to pathogens previously encountered.
Plasma Cells
A type of white blood cell that produces and secretes large volumes of antibodies.
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