A RBC: has a nucleus when it first develops. Before leaving the marrow it loses the nucleus. It is a professional oxygen transporting cell, and has all the necessary machinery to perform that function for about 120 days before death of the cell
Answered 7/24/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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