Class 9 Science WHY DO WE FALL ILL?Principles of Treatment and Prevention

Easy

Why is the immune system essential for our health?

A
It helps in digestion of food.
B
It acts as a defense mechanism against pathogenic microbes.
C
It regulates the body temperature.
D
It helps in the circulation of blood.

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Class 9 Questions

Class 9

Science Questions

Chapter

WHY DO WE FALL ILL?

Subtopic

Principles of Treatment and Prevention

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