What is the difference between B-cells and T-cells in the immune system?

B-cells and T-cells are both able to react to specific pathogens, but do this in different ways. B-cells produce antibodies that can bind to the pathogen. T-cells have a few functions: they can kill host cells that have already become infected, regulate the immune system to stop it from killing healthy host cells and activate the B-cells.

Answered by Kelsey M. Biology tutor

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