Innate immunity

Acquired immunity

a) Innate immunity includes all the defence elements with which an individual is born.

a) The immunity which is acquired after the birth is called acquired immunity.

b) It consists of various types of barriers that prevent the entry of foreign agents.

b) It consists of specialized cells(T-cells and B-cells) and antibodies that circulate in the body fluid.

c) It remains throughout life.

c) It can be short lived or life long.