The Red Blood cells originate in the?
The Red Blood cells originate in the?
خون کے سرخ خلیے کس میں پیدا ہوتے ہیں؟
Explanation
Blood cells are made in the bone marrow.
The bone marrow is the soft, spongy material in the center of the bones.
It produces about 95% of the body's blood cells.
