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Reflex ActionA reflex action or reflex is a biological control system linking stimulus to response and mediated by a reflex arc. Reflexes can be built-in or learned. Reaction time For a reflex, reaction time is the time from the onset of a stimulus until the organism responds. Mechanism A reflex mechanism involves a receptor organ, and effector organ, and some type of communication network. Ivan Pavlov unintentionally launched the study of conditioning by establishing a way of producing what he called "conditional reflexes", i.e. reflexes that would only be seen conditional on previous experiences of the subject. Reflex actions seen in adult humans include: Processes such as breathing, digestion and the maintenance of the heartbeat can also be regarded as reflex actions, according to some definitions of the term. Newborn babies have a number of other reflexes which are not seen in adults, including: See also External links
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