Question

what is meant by reflex action? with the help of a labelled diagram trace the sequence of events which occur when we touch a hot object

Answer 1

An involuntary action done by spinal cord in response to the stimulus is called reflex action.

Answer 2

Reflex action is an involuntary action which causes sudden movements due to a stimuli. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain