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A 35-year-old female asked:

Is my hematology professor correct in saying the iron in the hemoglobin molecules within our red blood cells impart the red color to human blood?

1 doctor answer3 doctors weighed in
Dr. Ankush Bansal
Internal Medicine 17 years experience
Yes: Think of rust. That's oxidized iron. It's dark red like blood. Hemoglobin molecules contain iron and they also carry oxygen molecules.

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Last updated Jul 4, 2020

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