What role does carbonic anhydrase play in the cycle of hemoglobin from lungs to tissues?

• A. Carbonic anhydrase catalyzes the conversion of CO2 and water to carbonic acid, affecting pH and oxygen release.
• B. Carbonic anhydrase binds oxygen to hemoglobin in the lungs.
• C. Carbonic anhydrase releases hydrogen ions in the tissues.
• D. Carbonic anhydrase has no role in hemoglobin's cycle.

Answer: (A)