3d rendering of heme molecule and red blood cell or erythrocyte.

molecule chemical biochemistry chemistry red blood atom hemoglobin protein organic research science biology composition oxygen anemia three dimensional healthcare medicine cut cell structure biological molecular white background medical condition formula iron metal laboratory enzyme close-up heme structural compound hemoprotein protoheme porphyrin ring carbon substance oxygenase transport circulatory line atomic health biomolecule myoglobin molecules erythrocyte isolated rendering close atoms