How does the immune system work?
An Immune system mainly works as surveillance for our entire body, it plays a vital role in protecting us from various kinds of infections and its related diseases. The strength of the immune system differs from person to person. During adulthood, our Immune system becomes most powerful in comparison to childhood because, at that point of time, we developed more and more immunity also exposed a lot of pathogens. That is the reason, adults and teens often sick less than the children. Once the antibody developed, a copy of that antibody remains in our body and when the same antigen attacks again, it can be dealt with precisely and quickly and this is a prime reason that, some of the diseases you only get once throughout your life cycle such as the chickenpox. This process takes place because our body stored the antibody of chickenpox and as a harmful substance appears again it kills by the antibody. This entire process addresses as the Immunity and it has basically three part...