Macy Meyer is a North Carolina native who graduated from UNC-Chapel Hill with a BA in English and a second BA in Journalism. Macy is a Writer on the CNET How-To team, covering a variety of topics ...

Red blood cells are able to accomplish this with the help of hemoglobin, a type of protein they contain. However, the amount of oxygen delivered ultimately depends on how many hemoglobin ...

but these different blood types can have deadly downsides. The surface of our red blood cells have proteins, called antigens, which define our blood type. Type A blood contains Type A antigens and ...