How is oxygen transported in the blood?

Practice MCQ for SSC, UPSC, RRB Exams

A. Dissolved in plasma A.
B. As bicarbonate B.
C. As carbonic acid C.
D. As oxyhemoglobin D.

Correct Answer: D সঠিক উত্তর: D

Explanation ব্যাখ্যা

Oxygen is transported in the blood by red blood cells (RBCs). Inside these cells, a protein called hemoglobin binds to oxygen molecules, forming oxyhemoglobin. This is the predominant way oxygen is carried throughout the body. Only a small amount of oxygen is dissolved directly in the plasma.

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