Compare and contrast the role of granulocytes and agranulocytes in an immune response.

a) Granulocytes are involved in humoral immunity; agranulocytes in cell-mediated immunity
b) Granulocytes are phagocytic; agranulocytes release antibodies
c) Granulocytes are nucleated; agranulocytes lack a nucleus
d) Granulocytes include neutrophils and eosinophils; agranulocytes include lymphocytes and monocytes