Respuesta :

lucy3966

Answer:

In addition to erythropoietin, red blood cell production requires adequate supplies of substrates, mainly iron, vitamin B12, folate, and heme. RBCs survive about 120 days.

Explanation:

mina1ashido

Answer:

red blood cell production requires substrates, mainly iron, vitamin B12, folate, and heme.

Explanation:

hope this helps!

~mina