The three lines of defense your body has against disease include all except?(1point)
1. Physical barriers such as skin and mucous membranes
2. Innate immune response including inflammation and phagocytosis
3. Adaptive immune response including antibodies and T cells
The correct answer:
4. The use of antibiotics. Antibiotics are not a natural defense mechanism of the body, they are external substances used to help the body fight off bacterial infections.