+A **reflex** is an involuntary, rapid [Response](/wiki/response) to a [Stimulus](/wiki/stimulus). This automatic action protects the body, occurring without conscious thought through the [Nervous System](/wiki/nervous_system).
+## See also
+- [Involuntary Action](/wiki/involuntary_action)
+- [Nerve](/wiki/nerve)
+- [Brain](/wiki/brain)
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