You are definitenly the dumbest dog in school if you dont know that :)
The term for an involuntary reaction to an external stimulus is a reflex.
reflex
No, a reflex is a rapid, involuntary response to a stimulus. The stimulus is what triggers the reflex reaction in the body.
Having to think about a reflex before it happens may slow down your reaction time and make the response less automatic. It could also cause you to feel more conscious of the action, which may affect its natural and instinctual nature.
"reflex"
A reflex is a response to a given stimulus.an automatic instinctive unlearned reaction to a stimulus
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knee jerk
An honest reaction is one that is considered a reflex. If someone hits someone and they respond back with a quick slap, that's an honest reflex, one that is not done purposefully.
To expel intestinal gas through the anus; break wind.Noun1.fart - a reflex that expels intestinal gas through the anus breaking wind, farting, flatus, windinborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex - an automatic instinctive unlearned reaction to a stimulusVerb1.fart - expel intestinal gases through the anus break windact involuntarily, act reflexively - act in an uncontrolled manner
it will take to long and will probably be to late for your reflex to start.
Putting your index finger behind someone's ear lobe can trigger a common reflex called the Darwinian tubercle reflex. This reflex causes the ear lobe to move slightly, which is a naturally occurring response in some people. It is a harmless and involuntary physical reaction.