Biology, asked by Suraj29601, 5 months ago

What is 2nd line of defence

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Answered by ananyasharma427

6

Answer:

The second line of defense is nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals: Phagocytic cells ingest and destroy all microbes that pass into body tissues. ... Macrophages leave the bloodstream and enter body tissues to patrol for pathogens.

Explanation:

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