What is the primary medium of transport for oxygen (O₂) in the blood?

What is the primary medium of transport for oxygen (O₂) in the blood?
  1. Red Blood Cells (RBCs)
  2. Plasma
  3. Bicarbonate
  4. None of the above

Solution

About 97% of O₂ is transported by RBCs in the blood, and the remaining 3% is carried in a dissolved state through the plasma.

Asked in: NCERT

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