Hemoglobin in the Red Blood Cells "Grabs" Oxygen to Transport

question 24

Multiple Choice

Hemoglobin in the red blood cells "grabs" oxygen to transport it to the body's cells. What is the equivalent substance that "grabs" carbon dioxide to transport it out of the cells?

• A) Epiglottin
• B) Plasma
• C) White blood cells
• D) Carbon dioxide isn't transported by the blood.
• E) Carbon dioxide dissolved easily in the blood, so no special molecule is required.

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