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

Reflex action is a spontaneous response needed in the sudden adverse situation. The diagram shows the reflex action when a hot body is touched

Answer 2

A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.

A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.