Question

Reflex arc vs reflex action 5 points
best one brainlist

Answer 1

_______________

$\bold{Reflex\:action:-}$

=> It is an involuntary action, without involving the brain for thinking.

=> Reflex action is the function of spinal cord.

=> The automatic action provoked by a stimulus is known as a reflex action. 

=> It shows sudden responses and do not involve any thinking. 

=> Eg:- When light acts as a stimulus, the pupil of the eye changes in size.

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$\bold{Reflex\:arc:-}$

=> It is the neural pathway through which the reflex action is conducted.

=> Reflex arc is the arrangement of nerves that make reflex action possible.

=> A connection of detecting the signal from the nerves (input), and responding to it immediately (output) is called a reflex arc.

=> A reflex arc makes instant and automatic responses possible.

=> Eg:- The response to touching a sharp object is to remove your finger from it quickly.

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Answer 2

Reflex arc is the shortest route along which an impulse travel during reflex action from a receptor to an effector.

Reflex action is an automatic, quick,immediate involuntary action in the body brought about by a stimulus.