What is the need for a circulatory system?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Lymphocytes	$(I)$ Responsible for the immune responses of the body
$(b)$ Monocytes	$(II)$ Are the agranulocytes
$(c)$ Neutrophils	$(III)$ Most abundant cells of the total WBCs
$(d)$ Basophils	$(IV)$ Inflammatory reactions

Which of the following is the primary site for the breakdown of proteins and the formation of free amino acids?

The $.....$ is the blood bank of the body.

In connection with the circulatory system,where are valves present?

Which of the following statements are wrong?
$(i)$ Leucocytes disintegrate in the spleen and liver.
$(ii)$ $RBC$,$WBC$ and blood platelets are produced by bone marrow.
$(iii)$ Neutrophils bring about destruction and detoxification of toxins of protein origin.
$(iv)$ The important function of lymphocytes is to produce antibodies.