Plasma is the liquid parat of the Blood. The RBC, WBC and the platelets are suspended in plasma. Water constitutes a major portion of plasma. The proteins present in plasma are Albumin, Globulin and Fibrinogen. Albumin helps in keeping the fluid content in the Blood. Globulin especially gamma globulin helps to fights the infections. Fibrinogen plays an important role in clotting mechanism to seal the wounds.