a disease - causing bacteria successfully enters your body, making it past the first and second lines of…
a disease - causing bacteria successfully enters your body, making it past the first and second lines of defense. which barrier will then act on the bacteria?\nchemical\nphysical\nbiological\nelectrical
Answer
Brief Explanations:
The body has three lines of defense against pathogens. After the first - physical and chemical barriers, and the second - non - specific immune responses, the third line is the specific immune response which is biological in nature, involving lymphocytes and antibodies.
Answer:
C. biological