Anatomy & Physiology › Section P · Blood › Topic P.2
Erythrocytes
Red blood cells are the most numerous cells in the body, stripped down to little more than a flexible bag of hemoglobin. Their shape, their short life and the way the body makes and recycles them explain how oxygen reaches every tissue, and what goes wrong in anemia.
In this topic
- The most numerous formed element
- Built for gas transport
- Hemoglobin
- Worked example: counting oxygen and cells
- Regulating production: EPO
- Raw materials for new cells
- The end of an erythrocyte
- Anemia and its main causes
- Worked example: reading a blood picture
- Common mistakes to avoid
- Key takeaways
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