Many of today's crew-cab pickups have the same legroom as a luxury sedan, and even shoppers who don't go for a crew cab will find that many extended-cab trucks have more passenger room than you'd need under usual circumstances.
n. The protein in the red blood cells of vertebrates that carries oxygen from the lungs to tissues and that consists of four polypeptide subunits, each of which is bound to an iron-containing heme molecule.[Ultimately short for. : hematin + globulin .].. The protein in the red blood cells of vertebrates that carries oxygen from the lungs to tissues and that consists of four polypeptide subunits, each of which is bound to an iron-containing heme molecule. [Ultimately short for.
Hemoglobin is the part of the red blood cell that carries oxygen. Hemoglobin is a protein that has iron on it, and this iron is what the oxygen binds to. This is why iron defi â¦ ciency can result in anemia. 9 people found this useful.he hemoglobin molecules in red blood cells contains four iron atoms which all can have four bonds to oxygen atoms. Thus, red blood cells â¦ transport oxygen.