Which of the following match is correct ?

Answer: BSolution: The structure given in option 'b' is of basophil. Basophils secrete histamine, serotonon, heparin etc and are involved in inflammatory reactions. The structure given in option 'a' is of neutrophil. Its percentage is $40-70\%$. The structure given in option 'c' is of eosinophil. Its percentage is $1-6\%$. The structure given in option 'd' is of monocyte. Its percentage is $2-10\%$ and is phagocytic in function.