Biology, asked by seema3501, 10 months ago

Identify the third line of defense from the following?

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Answered by uniqueboypaul

Answer:

good night bro.

The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.

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