Normally, hemoglobin works like this: Hemoglobin in red blood cells entering the lungs has carbon dioxide bound to it.
(hemoglobin; works; ) (red blood cells; entering; the lungs) (Hemoglobin in red blood cells; has; carbon dioxide bound to it) (carbon dioxide; bound; )
hemoglobin red blood cells Hemoglobin in red blood cells carbon dioxide
works entering has bound
the lungs
carbon dioxide bound to it