Reflex action

A reflex action is an automatic and unlearned response to a stimulus. Pathway along which this action place is known as reflex are. It involves a receptor organ to receive stimulus, sensory different nerve fibre, central nervous system, motor or efferent nerve fibre and efferent organ which cause body to take action. It is an automatic response accomplished through the nervous system. The basis of reflex action is that nerve cells must receive impulses from receptors and hand them to effectors.