The correct option is D 6 - 8%
Blood is a specialized fluid connective tissue. About 55% of blood volume is made of plasma and remaining is made of blood cells. Plasma is the straw coloured thick fluid matrix of blood. Plasma contains water, salts, proteins and dissolved minerals. Around 90-92% of plasma is water. Remaining 6-8% of plasma, consists of proteins such as albumins, globulins and fibrinogen.