Question -
Answer -
Transport of carbon dioxide : About 4 ml of carbon dioxide is transported by every 100 ml of blood.
C02 is transported in three forms in the blood.
(i) In the dissolved form in plasma about 7% of C02 dissolves in plasma of blood, just as it gets dissolved in water.
(ii) As bicarbonates
• Erythrocytes have a high concentration of the enzyme, carbonic anhydrase which catalyses the following reactions;
About 70% of C02 is transported as bicarbonates.
(iii) As carbaminohaemoglobin
• C02 combines with of the globin part of haemoglobin and forms carbamino haemoglobin. About 23% of C02 transported in this manner.