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The
immune system protects the body against foreign
invaders and our own mutant cells. White blood
cells (B- and T-lymphocytes, macrophages, natural
killers, neutrophils etc.) are found throughout
the body, like soldiers of the immune system.
They are found in the lymph, blood and lymph
organs. They work diligently to check the identity
of viruses, bacteria, fungus, parasites and
cancer cells.
Thymus
The
thymus is the main immune organ located under
the breast bone. The thymus develops in fetal
life, peaking prior to puberty with progressive
decline into adult life. Unfortunately, the
thymus involutes relatively early, however,
it can rejuvenate.
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