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Hemoglobin Breakdown
Educational only: videos on MedicalVideos.com are for general information and are not medical advice. Always consult your own doctor about your health.
Red blood cells, which form one of the major constituents of blood, are characterized by the absence of nuclei, hence they are unable to undergo cellular division or generate new erythrocytes from old ones. This eventually leads to cell disintegration, which typically occurs 4 months after the fully developed red blood cells have been in circulation within the bloodstream. During the degeneration of the red blood cells, some components of the hemoglobin are excreted from the body while other parts are conserved.
This video in 30 seconds
This video explains the breakdown of hemoglobin at the end of a red blood cell's life. It describes how red blood cells lack nuclei, cannot divide or renew themselves, and disintegrate after about four months in circulation, with some hemoglobin components excreted and others conserved.
Key points
- Red blood cells have no nuclei, so they cannot divide or generate new cells
- Red blood cells typically disintegrate after about four months in circulation
- During red blood cell degeneration, some hemoglobin components are excreted from the body
- Other hemoglobin components are conserved by the body
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