Lymphatic System

Nonspecific Defenses

What are nonspecific defenses?

Nonspecific defenses do not differentiate between various invaders. Barriers such as skin and the mucous membrane lining the respiratory and digestive tracts; phagocytic white blood cells; inflammation; fever; and chemicals are nonspecific defenses. The nonspecific defenses are the first to respond to a foreign substance in the body.


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