Which leucocytes release heparin and histamine in blood?

Q. Which leucocytes release heparin and histamine in blood?
A. Neutrophil
B. Basophil
C. Eosinophil
D. Monocytes
Answer: Basophil

A. Neutrophil
B. Basophil
C. Eosinophil
D. Monocytes
Answer: Basophil