Components essential for RBC formation is
a)	Iron	b)	Vitamin-	c)	Folate	d)	All of these

(d)

All of the above.

Process of RBC formation is known as erythropoiesis. Iron, vitamin-  and folate are essential for RBC production. Erythropoiesis is completed in 72 hours. Erythropoietic organs in foetus are liver, lymph nodes and spleen. Whereas after birth, erythropoietic tissue is red bone marrow