Question

Fill in the blanks with approriate words.
Most carbon dioxide is transported in blood in the form of .......... ions. Hydrogen ions formed when carbon dioxide enters blood become attached to .......... , so that the addition of carbon dioxide causes only a small decrease in blood pH.

Answer 1

Most carbon dioxide is transported in the blood as hydrogen carbonate ions. Hydrogen ions formed when CO2 enters blood become attached to hemoglobin so that the addition of CO2 in the blood causes only a small decrease in blood pH.