Question

how do vaccines works in our body

Answer 1

vaccines: when a dead disease causing micro organisms enter in our body in the form of vaccine then our WBC[white blood cells] will learn how to kill these dead organisms.and later when these active disease causing organisms enter in our body the already present wbc's will fight with the organisms and kill them.

Answer 2

Explanation:

when a vaccine is given containing week and dead microorganisms our body produces number of antibodies and stores them when the disease causing microorganisms enter our body the already present antibodies fight and eliminate them and the disease is controlled the weekend and that disease causing microorganisms which are injected into our body are called as vaccines this process is known as vaccination