Question

When CO_2 enters the blood from systemic tissues, it is reversibly stored in one of three "pools" while it is transported to the lungs. Sort these three pools in order, starting with the pool that contains the smallest amount of CO_2. Drag and drop to order 1 2 3

1. The CO2 that is bound to hemoglobin in the form of carbaminohemoglobin

2. The CO2 gas that is freely dissolved in the plasma & cytosol of red blood cells.

3. The CO2 that has been converted into bicarbonate (HCO3)

Answer 1

1. The CO2 gas that is freely dissolved in the plasma & cytosol of red blood cells. ( 7% )

2. The CO2 that is bound to hemoglobin in the form of carbaminohemoglobin. ( 30% )

3. The CO2 that has been converted into bicarbonate (HCO3) (63%)