Why is the immune system essential for our health?

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A It only digests the food we eat.
B It helps us grow taller.
C It protects the body from infectious pathogens and harmful substances.
D It pumps blood to all parts of the body.

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Answer: C. It protects the body from infectious pathogens and harmful substances.

Answer: C
Explanation: The immune system acts as the body's defense mechanism. It recognizes and neutralizes foreign invaders like bacteria and viruses to keep us from falling ill.

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Why is the immune system essential for our health?

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