56. Number of which type of WBC is greatest in blood of human? A.Eosinophils B.Basiophils C.Lymphocytes D.Neutrophils
Answer: Option D Solution: Neutrophils are the most abundant white blood cell, constituting 60-70% of the circulating leukocytes, and including two functionally unequal subpopulations: neutrophil-killers and neutrophil-cagers. They defend against bacterial or fungal infection.
