Immune Deficiency

What is Immune Deficiency?

The immune system is the body's defense system against harmful invaders like bacteria, viruses, parasites and fungi. Some parts of the immune system attack and destroy these invaders. The immune system is also thought to play a role in protecting the body against cancer. Immune deficiency means that some part of this defense system is not working right.

The immune systen has two levels of defense, the cellular immune system and the humoral system. T- lymphocytes in the humoral system produce substances called gamma globulins to fight bacteria. They also produce phagocytes, scavenger cells that roam through the body devouring foreign bacteria. Since all parts of the immune system work together to protect the body, a problem in one system may affect the function of the other systems.

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