A) They carry about 20-25 per cent of \[C{{O}_{2}}\]
B) They transport 99.5 per cent of \[{{O}_{2}}\]
C) They transport about 80 per cent oxygen only and the rest 20 per cent of it is transported in' dissolved/ state in blood plasma
D) They do not carry \[C{{O}_{2}}\] at all
Correct Answer: A
Solution :
| [A] Nearly 20-25 per cent of \[C{{O}_{2}}\] is transported by RBCs. It is caused by haemoglobin as carbamino haemoglobin. 70 per cent of is carried as bicarbonates. About 97 per cent of \[{{O}_{2}}\] is transported by RBCs in the blood. The remaining 3 per cent of \[{{O}_{2}}\] is carried in dissolved state through the plasma. |
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