Which of the following statements is FALSE about red blood cells?

Select one:

a.
Red blood cells transport oxygen from the lungs to the tissues and transport carbon dioxide from the tissues to the lungs.

b.
Red blood cells are flattened, circular, biconcave, non-nucleated discs. blood cells are flattened, circular, biconcave, non-nucleated discs.

c. All statements are false 

d. None of the statements are false

e.
Red blood cells will take 120 days to mature in the red bone marrow.

f.
Red blood cells are formed elements.