Reflex action: Discover what reflex actions & how

Discover what reflex actions & how reflexes keep us safe and their importance in our everyday life 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 ... A reflex action is an involuntary and almost instantaneous motor response of the body to sensory stimulus/stimuli, for example, when a pin is pricked in the hand, the pain impulses reach the spinal cord by sensory neurons. 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.