Question

What is the average life span of RBC' s of man?

Answer 1

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Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days.


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Answer 2

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RBC -->red blood cells have life span of approximately 120 days.
they are prepared in bone marrow.
they contain haemoglobin.
haemoglobin have 4 chains of amino acids , two are beta, and two are alpha
each haemoglobin contains iron (Fe) in the center
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