Hemolink

Hemoglobin, (haemoglobin BrE) (from the Greek word αμα, haîma 'blood' + Latin globus 'ball, sphere' + -in) (/himlobn, hmo-/[1][2]), abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in red blood cells (erythrocytes) of almost all vertebrates[3] (the exception being the fish family Channichthyidae[4]) as well as the tissues of some invertebrates. Hemoglobin in blood carries oxygen fr... [wikipedia]