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What is the function of the immune system?

to fight off viruses and bacteria and to work to keep a person healthy

How do the immune and circulatory system work together to fight off diseases?

white blood cells aid in the fighting of viruses and are part of the immune system but are moved through the body by the circulatory system

What is the function of the circulatory system?

Circulates red blood cells, white blood cells, and nutrients (oxygen, sugars) through the body. Aids the immune system to fight off viruses and diseases

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