JAMB Biology 2013 Objective — Question 23
Question 23 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following is involved in the immune response of vertebrates?
- A. Erythrocytes
- B. Monocytes
- C. Phagocytes
- D. LymphocytesCorrect
Explanation
White blood cells are of two major types: granulocytes and agranulocytes. The agranulocytes are subdivided into monocytes and lymphocytes. Lymphocytes are the main active component of the adaptive immune system and produce antibodies which protect the body from pathogens. Monocytes defend the body by engulfing harmful microorganisms.
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