Where are Red Blood Cells, produced? What is the average life span of a RBC?
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red blood cell are produced in hemoglobin . life span of RBC's is 120 days
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Answer:
Red blood cells are produced in the bone marrow. Mature RBC's have a life span of approximately 120 days.
Explanation:
Red blood cells are produced in the bone marrow . Stem cells in the bone marrow develop in several steps to mature red blood cells (RBC):
stem cells
→
progenitor cells
→
precursor cells (blasts)
→
mature cells (see image below).
It takes about 21 days for a stem cell to develop in the bone marrow into a so called reticulocyte. This cell is released into the blood stream and circulates there for 1 to 2 days before it is developed into a mature RBC (erythrocyte).
Once they are matured, an RBC remains functional in the bloodstream for about 110 to 120 days before it is degraded.
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