Question

describe immunity and its role

Answer 1

Ans: The major function of the immune system is to protect the host from environmental agents such as microbes or chemicals, thereby preserving the integrity of the body.

Hope it helps...!!

Answer 2

Answer:

The process of injecting various medicines into body in order to develop resistance power against various disease is called immunity.

Explanation:

It's role is to increase the defense mechanism of our body to fight against disease-causing germs.