One of these does not protect the body from harmful effect of disease - causing micro-organisms ____________
A. anti toxin B. phagocytes C. antigens D. antibodies
Correct Answer: C
Explanation
Antitoxins are substances secreted by lymphocytes against invading micro - organisms (poisons produced therefrom.) Phagocytes are a part of white blood cells. White blood cells generally are protective in function. Antibodies are located in the blood plasma. They are also protective in function
