Please log in or register to use Flashcards and Bookmarks. You can also log in with Facebook Twitter Google Complete English Grammar Rules is now available in paperback and eBook formats. Make it yours today! Advertisement. Bad banner? Please let us know Remove AdsAcronyms...
Hemoglobin is a protein in the red blood cells that allows for the transport of oxygen throughout the body. Hemoglobin is made of four subunits that each have a heme iron group. The oxygen carried by hemoglobin binds to these heme groups. Hemoglobin can come in may different forms that may...