Reflex action is a type of behavior that is not consciously controlled by the brain, but rather, it is mediated by the spinal cord and peripheral nerves. Reflex action is an essential survival mechanism that allows an organism to respond quickly to potentially harmful stimuli. Overview Do you know that you perform some actions without even thinking. Ever thought why do we blink when someone brushes his hands off our face? When our hands touch anything hot, the hands automatically moves away from the hot pan immediately. These are all the examples of reflex actions. Reflex actions are the involuntary movement of a body part as a result of a particular stimulus. These actions are involuntary as neither any will or consciousness is required to access. Probably the ... Reflex Action A reflex action is a spontaneous, automatic and mechanical response to stimulus or sudden action in response to something in the environment. For Example : Blinking of eyes, movement of diaphragm, withdrawal of hand or foot every time when a needle or hot object is touched, sneezing, hunger etc. (1) Sensory (receptors) (a) It occur in sense organs. (b) It receive stimuli by dendrites. (c) It transmit impulse towards brain and spinal cord through axons. (2) Motor (Effectors) (a ... Reflex action, also known as a reflex, is a fundamental mechanism of the nervous system that enables organisms to respond rapidly to external stimuli without conscious effort or thought. It is an automatic, rapid, and spontaneous protective response to a specific stimulus.
