Zoology - Body Fluids and Circulation Question with Solution | TestHub

Options (a), (b), (c) and (d) show neutrophil, basophil, eosinophil and monocyte respectively. Neutrophils are the most abundant cells (60-65\%) of the total WBCs and basophils are the least (0.5 - $1\%)$ among them. Neutrophils and monocytes $(6-8\%)$ are phagocytic cells. Which destroy foreign organisms entering the body. Basophils secrete histamine, serotonin, heparin, etc. and are involved in inflammatory reactions. Eosinophils (2 - 3\%) resist infections and are also associated with allergic reactions.