here i have discussed what is immunity?
Types of immunity
Innate immunity: the immunity which is present in an individual from its birth.
Acquired immunity or adaptive immunity: the immunity which is acquired by an individual after birth
This is two types :-
Natural : naturally acquired immunity, when one infected with chicken pox and have got immunity.
Artificial: this is acquire artificially as vaccin.
Again immunity is divided into
1) cell mediated immunity :- where T cell (Tc and Th)
Directly interacted with alterd self cell.
2) humoral immunity:- where B cell (B lymphocyte)
Produce antibody and antigens are nutrilized.
In innate immunity
1)temperature
2)skin &mucous gland
3)acids Hcl and other
4) antibody
5)other components (properdine)
6) amebocyt, histeocyte, kupffer cell are respond to foreign disease causing agent.
Discussed vaccination. Plasma cell, memory B cell, cytotoxic T cell and memory Tell.
Here also mentioned NK cell, macrophage cell, and RE system.
This is an approach of SAM Innovation.