samayiarobertso472 samayiarobertso472

19-10-2017
Biology

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The body system that defends against infection and disease is called

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Invughost Invughost

19-10-2017

your immune system fights of disease

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19-10-2017

The immune system is the body system that is made up of cells and tissues that work to fight off foreign invaders and help defend the body.

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