Answer:
The second line of defense.
Explanation:
The second line of defense, part of the immune system response, is Nonespecific Resistance.
The ability to distinguish molecules that are part of the body from those that are foreign is integral to the Second line of defense against pathogens.
Second line of defense is a group of cells, tissues and organs that work together to protect the body collectively known as immune system.
The first line of defense against infection are the surface barriers that prevent the entry of pathogens into the body. The second line of defense are the non-specific phagocytes and other internal mechanisms that comprise innate immunity.
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