Which of the following is used during the process of blood clotting?

Lymphocytes ($20-25$ $\%$) are of two major types,$B$ and $T$ forms. They are responsible for

Which one of the following is correct?

Which of the following $WBCs$ is present in the highest amount?

Assertion: The regulation of $RBC$ production is accomplished by $FSH$.
Reason: Erythropoietin hormone circulates to red bone marrow where it increases stem cell mitosis and speeds up the development of $RBCs$.

In a normal healthy person,if the total number of $WBCs$ is about $9000 / mm^3$,then the number of Agranulocytes is about . . . . . . $/ mm^3$ of blood.