Select how an erythrocyte's structure relates to its function.
a) The biconcave shape of RBC allows it to last for years without being damaged.
b) RBC have large cytoplasmic spaces to store freely dissolved oxygen within.
c) The biconcave shape allows flexibility to pass through capillaries and increase surface area.
d) Multi-nucleated red blood cell allows it to provide enough energy to distribute oxygen throughout the body.
Answer: c) The biconcave shape allows flexibility to pass through capillaries and increase surface area.
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