The old and worn-out $RBCs$ are filtered out by:

Decrease and increase in the number of RBCs is respectively termed as

If a child has blood group $O$ and the mother has blood group $A$,which blood group cannot be the father's?

Which test tube from the given options is $NOT$ used for keeping blood in a non-coagulated state for the analysis of blood corpuscles?

Antigens are found on the …………….

$A$ person with an unknown blood group under the $ABO$ system has suffered significant blood loss in an accident and requires an immediate blood transfusion. His friend,who has a valid certificate of his own blood type,offers to donate blood without delay. What would be the blood group of the donor friend?