Chapter 4: Why Do We Fall Ill?

Q&A -Ask Doubts and Get Answers

Why do we fall ill?


Under which of the following conditions are you most likely to fall sick?

(a) when you are taking examinations.

(b) when you have travelled by bus and train for two days.

(c) when your friend is suffering from measles.



Measles is a contagious disease that is caused by a virus called Morbillivirus. When an infected person coughs or sneezes the droplets are thrown out and when another person breathes in, the microbes may enter into his body. So, we may likely to fall sick when your friend is suffering from measles.

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