How Is Most Carbon Dioxide Transported in the Blood

question 44

Multiple Choice

How is most carbon dioxide transported in the blood?

• A)as gas bubbles of CO₂,just as in carbonated soft drinks
• B)as bicarbonate ions (HCO₃)
• C)on the free hemoglobins since they have lost their oxygen in the tissues
• D)as carbon monoxide
• E)as carbon compounds and oxygen radicals

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