What is the full form of $RBC$?

Individuals with blood groups ..... and ..... are known as universal recipient and universal donor,respectively.

Continuous bleeding from an injured part is due to the deficiency of $..........$.

Blood clotting in a test tube can be prevented by adding a small amount of ........

The percentage of daily destruction of $RBC$s is approximately: (in $\%$)

When whole blood is stored with an anticoagulant at $4^{\circ}C$,the $K^+$ ions move out from the $RBC$ into the plasma. The most likely reason for this is that