AIPMT | 2014Body Fluids and CirculationMedium

Question

Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs

Options

A.As bicarbonate ions
B.In the form of dissolved gas molecules
C.By binding to R.B.C.
D.As carbamino-haemoglobin

Solution

Nearly 20 - 25 percent of CO2 is transported by RBCs, whereas, 70 percent of it is carried as bicarbonates. About 7 percent of CO2 is carried as dissolved state in plasma.

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