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Immune system

This body system, which includes white blood cells and lymph nodes, helps protect the body from disease. The immune system has different parts, all of which work together to fight off outside invaders like germs.

 

Immune-System

The body system, made up of many organs and cells, that defends the body against infection, disease, and foreign substances. The immune system is often stimulated in specific ways to fight cancer cells

 

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