Of the Following Statements, Which One Is Correct Regarding the Biconcave

Of the following statements, which one is correct regarding the biconcave shape of the RBC?

A) The shape makes the RBC more resistive to stress.
B) The shape enables a more rapid flow of gases into and out of the RBC.
C) The shape allows the RBC to live longer.
D) The shape controls the amount of water entering the RBC.
E) The shape allows the RBC to bind oxygen more easily. The biconcave shape gives the disc a larger surface area than if it were a sphere, thereby enabling a more rapid flow of gases into and out of the RBC.