Biology, asked by arnab4443, 11 months ago

what is body's third line of defense ?

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Answered by Anonymous

1

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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Answered by Mayankrajpoot

0

Immune system is the best answer

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