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 its transported in dissolved state in blood plasma
D) They do not carry \[C{{O}_{2}}\]at all
Correct Answer: A
Solution :
Blood is the medium of transport for\[{{O}_{2}}\] and \[C{{O}_{2}}.\]About 97 percent of\[{{O}_{2}}\]is transported by RBCs in the blood. The remaining 3 percent of \[{{O}_{2}}\]is carried in a dissolved state through the plasma. Nearly 20-25 percent of it is carried as bicarbonate. About 7 percent of\[C{{O}_{2}}\] is carried in a dissolved state through plasma.
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