which-description-best-defines-first-line-defenses-in-innate-immunity

Question

Which description best defines first-line defenses in innate immunity?

Accepted Answer

They are non-specific defenses that prevent the entry of pathogens.

Answer

They are temporary defenses activated during infection.

Answer

They are specific defenses that target particular pathogens.

Answer

They are adaptive defenses that develop over time.