{{Redirect|Reflectory|the album by Pepper Adams|Reflectory (album)}}
A '''reflex''' is an involuntary (say: in-VAHL-un-ter-ee), or automatic, action that your body does in response to something — without you even having to think about it. You don't decide to kick your leg, it just kicks. There are many types of reflexes and every healthy person has them. In fact, we're born with most of them.
In [[biology]], a '''reflex''', or '''reflex action''', is an involuntary, unplanned sequence or action<ref>{{cite web |url=https://www.crackyourtarget.com/reflex-action.html |title=Reflex action |work=Definition, Types and Mechanism and Important solved questions |publisher=Crack Your Target |date=November 11, 2020 |author=parveen |access-date=3 April 2021}}</ref> and nearly instantaneous movement in response to a [[Stimulus (physiology)|stimulus]].<ref>Purves (2004). ''Neuroscience: Third Edition''. Massachusetts, Sinauer Associates, Inc.</ref><ref name="M-W">{{cite web|title=Definition of REFLEX|url=https://www.merriam-webster.com/dictionary/reflex|website=www.merriam-webster.com|language=en}}</ref> A reflex is made possible by [[neural pathway]]s called [[reflex arc]]s which can act on an impulse before that impulse reaches the brain. The reflex is then an automatic response to a stimulus that does not receive or need conscious thought.<ref name="FD">{{cite web|title=tendon reflex|url=http://medical-dictionary.thefreedictionary.com/tendon+reflex|website=TheFreeDictionary.com}}</ref>
