+Red blood cells, or [Erythrocytes](/wiki/erythrocyte), are microscopic vessels in [Blood](/wiki/blood). They journey through the body, delivering vital [Oxygen](/wiki/oxygen) with their special protein, [Hemoglobin](/wiki/hemoglobin), sustaining all life.
+## See also
+- [Anemia](/wiki/anemia)
+- [Circulation](/wiki/circulation)
+- [Marrow](/wiki/marrow)
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