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The _____ protects the body from foreign substances and cells.

Aimmune system
Bendocrine system
Curinary system
Drespiratory system

Verified Answer :

the answer is A, the immune system

The immune system protects the body from foreign substances and cells. Our immune system protects us from tiny organisms such as bacteria, parasites, and fungi which cause infections.

Correct answer: A. The immune system

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