Question

wt is reflex action​

Answer 1

▪REFLEX ACTION :

When a receptor is stimulated,it sends a signal to the central nervous system,where the brain coordinates the response. But sometimes a very quickaction is needed, one that does not need the involvement of the brain.This ia a "Reflex Action" These are rapid and and happen without us thinking.

Answer 2

Answer:

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.