The $Rh$ factor was first discovered in which organism?

What is the percentage of neutrophils found in a $DLC$ (Differential Leukocyte Count)?

Which one of the following plasma proteins is involved in the coagulation of blood?

The graveyard of $RBC$ is:

With regard to the $ABO$ blood typing system,if a man who has type $B$ blood and a woman who has type $O$ blood were to have children,what blood types could the children have?

What does the hematocrit value indicate?