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The immune system. Chapter 15
No full textUnderstanding the mechanisms of the immune function and
the influence of aging thereon is not a simple matter.
Immunological reactions are highly complex (Table 1). The
immune system has the enormous task of protecting us from
disease (Table 2) and that which is foreign, while avoiding harm
to that which is self. It requires the participation of numerous
humoral factors, cell types (Table 3), tissues, and organs
(Table 4). Immunological reactions are under the sensitive
control of a variety of chemical mediators (Table 5) and
molecular interactions. To help appreciate the dynamic effects
of aging on the immune system, we have listed some key terms
and concepts in Table 6
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