The Largest Proportion of CO₂ Carried by the Blood Is

question 150

Multiple Choice

The largest proportion of CO₂ carried by the blood is in the form of

• A) bicarbonate ions (HCO₃^-) carried in the plasma.
• B) molecular CO₂ dissolved in the plasma.
• C) bicarbonate ions (HCO₃^-) carried within the red blood cells.
• D) molecular CO₂ chemically bound to hemoglobin.
• E) molecular CO₂ chemically bound to myoglobin.

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