Q33 of 39 Page 78

Why is immune system essential for our health?

The immune system of our body is a kind of defense mechanism to fight against pathogenic microbes. It has cells that are specialized to kill infecting microbes and keep our body healthy.


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31

What is a disease? How many types of diseases have you studied? Give examples.

 32

What do you mean by disease symptoms? Explain giving two examples?

 34

What precautions will you take to justify “prevention is better than cure”.

 35

Why do some children fall ill more frequently than others living in the same locality?