A member asked:

So hemoglobin floats freely in the blood plasma where it imparts the red color to human blood?

4 doctors weighed in across 2 answers

Only if the...: Only if the red blood cells break apart does hemoglobin end up floating freely in the plasma. That's called hemolysis.

Answered 12/9/2013

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Dr. Michael Dugan answered

Specializes in Hematology

Nope: Hgb lives within the rbc.

Answered 1/11/2013

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Do people with polycythemia have much hemoglobin in their red blood cells?

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