Question

A major percentage ($97\%$) of $O_2$ is transported by $RBCs$ in the blood. How is the remaining percentage ($3\%$) of $O_2$ transported?

Answer 1

Transport of $O_2$:

$97\%O_2$ is transported by the $RBCs$ in the blood due to binding of $O_2$ with haemoglobin. $3\%$ of $O_2$ remains in a dissolved state in the plasma and circulated through it.

Final answer:

Dissolved in plasma