Identify the wrong statement from the below about “Red Blood Cells".

Options

A. The RBCs are very small with the diameter of about 10 pm
B. The red colour of the RBC is due to the presence of a respiratory pigment, haemoglobin
C. Haemoglobin plays an important role in the transport of respiratory gases
D. RBC facilitates the exchange of gases with the fluid outside the cell.

Answer

A