Red blood cells are produced/ erythropoiesis occurs in _____________.
A
Bone marrow
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B
Spleen
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C
Liver
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D
All of the above
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Solution
The correct option is A Bone marrow Erythropoiesis is the process which produces red blood cells, which is the development from erythropoietic stem cell to mature red blood cell. this usually occurs within the red bone marrow. In the early fetus, erythropoiesis takes place in the mesodermal cells of the yolk sac. By the third or fourth month, erythropoiesis moves to the liver. After seven months, erythropoiesis occurs in the bone marrow.