Question

Why is immune system essential for your health

Answer 1

the fuction of immune system is to prevent body from jerms and bacterias.....and make you healthy....

Answer 2

(a) The immune system of our body is a defence mechanism to fight against pathogenic microbes. It has cells that are specialized to kill infecting microbes and keep our body healthy.
(b) When a person suffers from a disease once, antibodies for these particular disease causing antigens will be formed in the body and he will not get the same disease again. Vaccine also help in acquiring immunity.