About 97% of O2 is transported by RBC. The remaining 3% is:
A
Dissolved in plasma and transported
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B
Remains in lungs
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C
Attached to cell membranes
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D
Inside the mitochondria
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E
In peroxisomes
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Solution
The correct option is A Dissolved in plasma and transported About 97% of O2 transported from lungs to tissues is carried in chemical combination with haemoglobin (Hb) in RBC. Remaining 3% is transported in dissolved state in water of plasma and cells.