I’ve heard about antibodies, but how does your immune system physically attack or destroy a virus? Or in the case of someone with something like MS, how does your immune system physically attack your nervous system?
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There’s a bunch of different white blood cells, all do different things. Phagocytes surround and digest the cells like single-celled organisms do. Lymphocytes puncture try to puncture the cell walls of pathogens and insert enzymes, they also can recognize infected human cells and do the same to prevent viruses replicating. And an entire swarm of other cells to help find and identify pathogens.
Autoimmune diseases are diseases where your WBCs target healthy parts of your body instead of infected parts.
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