Question: oxyhemoglobin is hemoglobin combined with?
Answer: Oxyhemoglobin: The oxygen-loaded form of hemoglobin, the predominant protein in red blood cells. Hemoglobin is a protein molecule that binds to oxygen. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygen-loaded form, it is called oxyhemoglobin and is bright red.