Q. Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs :
A) As bicarbonate ions
B) In the form of dissolved gas molecules
C) By binding to R.B.C
D) As carbamino-haemoglobin
Explanation
[Solution] About 70% of $CO_2$ travels as bicarbonate, 20–25% as carbaminohaemoglobin and about 7% dissolved. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.