Immunodeficiency Diseases
Alhasy, Retaj. ; abdulla, Safa. ; .ateg, Almonther (2020-12-28)
The immune system is a complex network of cells and proteins that defends the body against infection. The immune system keeps a record of every germ it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again. Abnormalities of the immune system can lead to immunodeficiencies and autoimmune disorders.
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