Blood is the medium of transport for O₂ and CO₂. About 97 per cent of O₂ is transported by RBCs in the blood. The remaining 3 per cent of O₂ is carried in a dissolved state through the plasma. Nearly 20-25 per cent of CO₂ is transported by RBCs whereas 70 per cent of it is carried as bicarbonate. About 7 per cent of CO₂ is carried in a dissolved state through plasma.
Adjacent to a frequently-asked paragraph in the same chapter.
How is the remaining 3% of oxygen transported in the blood?
Correct answer: D — Dissolved in plasma
A small amount of oxygen is transported in dissolved form in plasma.
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