Explain the Transport of Carbon Dioxide in solution
Carbon dioxide is amore soluble gas than oxygen. Its amount in solution is proportional to the tension. At a tension of 40 mm Hg, 3 ml carbon dioxide dissolves in every 100 ml blood. Carbon dioxide in solution forms carbonic acid, which ionizes at blood pH into hydrogen and bicarbonate ions as shown herewith.
CO2 + H2O → H2CO3 → H+ + HCO-3