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The ___ protects the body from foreign substances and cells.

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I feel like you asked this question so long ago is the correct answer
User Angad Tiwari
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Answer:

The Immune system is a complex network of cells (such as lymphocytes) and organs that work together to defend the body against foreign substances (antigens) such as bacteria, a virus or tumor cell.

Hope this Helps!!!

User Jjlin
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