DNA is the same in every cell throughout an individual's body, whether it is a skin cell, sperm cell, or blood cell. With the exception of identical twins, no two individuals have the same DNA blueprint.
Red Blood Cells (RBCs) make up approximately 40% of Blood volume, carry oxygen to the cells of your body and return to the lungs to excrete carbon dioxide. Platelets, the smallest of the Blood cells; make up 5% to 7% of total Blood volume.Platelets form a 'mesh' net to form clots in the Blood to help stop bleeding.ed Blood Cells (RBCs) make up approximately 40% of Blood volume, carry oxygen to the cells of your body and return to the lungs to excrete carbon dioxide. Platelets, the smallest of the Blood cells; make up 5% to 7% of total Blood volume.
Blood centers evaluate each donor's veins prior to donation. Blood accounts for about 8% of body weight, so a 50 kg (110 lb) donor has about four liters of blood. No more than 50% of a donor's platelets are ever extracted in one sitting, and they can be replenished by the body in about three days.