The erythropoietic organs of a foetus are . . . . . . and . . . . . . .

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 medicolegal case of accidental interchange between two babies in a hospital,the baby of blood group $A$ could not be rightly given to a couple with:

Red bone marrow of the bone produces

If a person is injured and requires a blood transfusion,but the blood group of the patient is not checked,which of the following blood groups can be safely administered?

Which of the following anticoagulants is added to blood during storage?