The medium of plasma is

One of the factors required for the maturation of erythrocytes is

Which organ is responsible for the synthesis of prothrombin,albumin,and fibrinogen?

Match the Column $I$ (blood corpuscles) and Column $II$ (stem cells/precursors from which they are formed).

Column $I$ (Blood corpuscles)	Column $II$ (Stem cells/precursors)
$i$. Thrombocytes	$a$. Lymphoid stem cells
$ii$. Granulocytes	$b$. Megakaryocytes
$iii$. Erythrocytes	$c$. Myeloid stem cells
$iv$. Agranulocytes	$d$. Reticulocytes

Choose the correct option given below.

If a child has $AB$ blood group and the father has $B$ blood group,which blood group cannot the mother have?

The universal recipient blood group is