Question

please help I don't have much time to answer this question!
Imagine that a potential pathogen has been able to get through the skin, the first line of body defense What three general defense mechanisms can the body use as a second line of defense to prevent the pathogen from causing a major infection?​

Answer 1

Answer:

The immune system's three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.