Answer
Mucus and stomach fluids are the other part of first line of defense. Other mechanisms of the 2nd line of defense are engulfment of bacteria by WBC and diarrhea. It is important to note that the body has multiple lines of defense which help defend itself from disease.
Work Step by Step
Mucus and stomach fluids are the other part of first line of defense. Other mechanisms of the 2nd line of defense are engulfment of bacteria by WBC and diarrhea. It is important to note that the body has multiple lines of defense which help defend itself from disease.