Question

In your blood what does the white blood cells do

Answer 1

White blood cells fight infections from bacteria, viruses, fungi. and other pathogens (organisms that cause infection).

Answer 2

In your body you have these things called white blood cells that are like your immune system so they're your defense system. So when a bacteria or a virus or a fungus or something comes into your body that's not supposed to be there, your white blood cells will attack and try kill that virus or bacteria.