Have you ever wondered:
- How does our body overcomes common cold on its own?
- Why humans do not get infected by plant diseases?
- Why after getting vaccinated, our body becomes immune to that specific disease such as polio?
The answer to the above questions lies in the fact that our body has a
defense mechanism called as IMMUNE SYSTEM which recognizes the foreign
pathogens, fights against them and destroys them.
In this article we will discuss about the different types of
immunity.
