About Blood.

#What is Blood?
#Blood is a specialized fluid of connective tissue in which there is liquid intercellular substance and formed elements ( RBC,WBC,Platelet) suspended in the plasma which circulates in close system of blood vessels.

#Composition of blood : 01) Cellular substance 45 %(RBC, WBC, Platelet)
02) Liquid intercellular Substance 55% (solid 9% & Plasma 91% )