$A$ person with blood group $O$ will have . . . . . . antibody/antibodies in plasma.

Persons with $AB$ blood group are called as "Universal recipients". This is due to:

What is the normal count of blood platelets in the human body?

Example of $Rh$ incompatibility is

Plasma is a straw-coloured,viscous fluid constituting nearly $A$ $\%$ of the blood,$B$ $\%$ of the plasma is water,and proteins constitute $C$ $\%$ of it. Choose the correct option for the blanks $A, B$,and $C$.

What are blood platelets a source of?