Question

What is the role of the immune system, when a disease causing microbe enters the healthy human body?

Answer 1

the work of immune system is to release antibodies and those antibodies fight against the bacteria or any organism which enters or any foreign material and the other work of immune system is whenever give particular bacteria or any foreign body again enters in your body then this memorizes in your mind that previously how you have filled with that particular bacteria so in that case also immune system works a lot