+A [Blood Cell](/wiki/blood_cell) is a microscopic component circulating within [Blood](/wiki/blood). These essential elements, such as [Red Blood Cell](/wiki/red_blood_cell)s and white blood cells, perform crucial functions like oxygen transport and immune defense, sustaining the body.
+## See also
+- [Immune System](/wiki/immune_system)
+- [Circulatory System](/wiki/circulatory_system)
+- [Cell Biology](/wiki/cell_biology)
... 1 more lines