What is the primary form in which CO₂ is transported in the blood? A) physically dissolved B) bound to hemoglobin C) bound to plasma protein D) as bicarbonate E) as carbonic anhydrase

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CO₂ is an abbreviation for carbon monoxide (CO) and its primary form of transportation in the blood is as bicarbonate ions (HCO3-) formed by the reaction of CO with water and carbonic anhydrase. This reaction occurs primarily within red blood cells and the bicarbonate ions then diffuse out of the red blood cell into the plasma, where they are transported to the lungs for elimination.

What Is the Primary Form in Which CO2 Is Transported

What Is the Primary Form in Which CO₂ Is Transported