Erythroblasts are unable to do mature red cells' regular work of carrying oxygen to the body tissues and carrying away carbon dioxide.
(Erythroblasts; are; unable to do mature red cells' regular work of carrying oxygen to the body tissues and carrying away carbon dioxide) (Erythroblasts; to do; mature red cells' regular work of carrying oxygen to the body tissues and carrying away carbon dioxide)
Erythroblasts Erythroblasts
are to do
unable to do mature red cells' regular work of carrying oxygen to the body tissues and carrying away carbon dioxide
mature red cells' regular work of carrying oxygen to the body tissues and carrying away carbon dioxide