Today i will tell you about immunity of human body...

Immunity:

The response of body against pathogens and disease in the body is called immunity .

source google

Immunity may be temporarily or permanent.Basically there are two types of
immunity.
1:innate immunity:
It is the type of immunity which present in the body by birth and herniated
form parent to offspring or it is the antibody which are
transferred from mother milk during lactation.
It is non-specific so it can response against all kind of bacteria and pathogens.

Acquired immunity:

It is the type of immunity that develops during life time is called acquired immunity.
This type of immunity are not present from by birth but this is adopted by body during life..