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Goshia [24]
3 years ago
7

What is the responsibility of the body's second line of defense?

Biology
2 answers:
steposvetlana [31]3 years ago
8 0
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. For example macrophages are cells derived from monocytes.
evablogger [386]3 years ago
6 0

Answer:

The immune system detects and responds to a wide variety of pathogens.

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Experts suggests that possible motivations are from rage, sadism or an increase vulnerability of the elderly as a social group.

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