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Answer:

The advantages of a specific defense are how it will remember certain bad pathogens and fight against them the next time they try to come into your system.

Specific Defense (The Immune System) The immune system is the third line of defense. It consists of mechanisms and agents that target specific antigens (Ags). An antigen is any molecule, usually a protein or polysaccharide, that can be identified as foreign (nonself) or self (such as MHC antigens described below).

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