Hemoglobin, the main oxygen-carrying molecule in crimson blood cells, carries both of those oxygen and carbon dioxide. Nonetheless, the CO2 certain to hemoglobin won't bind to exactly the same internet site as oxygen. In its place, it combines With all the N-terminal teams within the 4 globin chains. Nonetheless, https://www.youtube.com/watch?v=buIHtQY7fCU