+Body systems are groups of [organs](/wiki/organ) that work in concert to perform essential life functions. From sensing the world through the [nervous system](/wiki/nervous_system) to processing nutrients, these intricate networks sustain an organism.
+## See also
+- [Circulatory System](/wiki/circulatory_system)
+- [Digestive System](/wiki/digestive_system)
+- [Cell](/wiki/cell)
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