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.
In Demographics. The percent of water in whole blood is about 82%. The non-cellular  part (the Plasma) is about 93% water (it varies quite a bit on what  part of the circulatory system you'râ¦e in, but 93 is a good  average).   The cellular part (mostly (45% of total blood, 98% of cells) is  about 75% water.