Immune system is essential for our health. Comment on the above statement.
Q. (a) Immune system is essential for our health. Comment on the above statement.
(b) How can we acquire immunity?
Ans. (a) The immune system of our body is a defence mechanism to fight against pathogenic microbes. It has cells that are specialised 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 helps in acquiring immunity.
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