NEET2014ZoologyBreathing and Exchange of GasesActual
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs:
Options
- Aas bicarbonate ions
- Bin the form of dissolved gas molecules
- Cby binding to R.B.C
- Das carbamino-haemoglobin
Correct answer
A. as bicarbonate ions
Step-by-step solution
About 70% of C O 2 is converted into bicarbonates inside RBCs in presence of an enzyme carbonic anhydrase. The bicarbonates are transported as salts of sodium and potassium in blood plasma as well as RBCs.