Which ion allows hemoglobin to readily bind with oxygen?
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3 min read
Approximately 98% of the oxygen transported in human blood is carried by hemoglobin. This vital function is made possible by a specific metal ion at the core of the hemoglobin molecule, which forms a reversible bond with oxygen. Understanding the role of this ion is key to comprehending how our circulatory system works to deliver life-sustaining oxygen to every cell in the body.