Instead of having haemoglobin to carry iron in a red blood cell, could you replace it with something else to carry

Instead of having haemoglobin to carry iron in a red blood cell, could you replace it with something else to carry antibiotics in the blood?

Posted on June 20, 2013 by in Question. Comments Off on Instead of having haemoglobin to carry iron in a red blood cell, could you replace it with something else to carry