How does a reflex arc work?

Reflex arc performs reflex actions.

Explanation:

In neural pathway all singles are not passed to the brain, the neural arc activates the motor nervous system. In this pathway, the singles are not passed to the brain and spinal cord act as the central nervous system. This system work mostly works in case of an emergency for the example touching the hot object with hand. In this case, we suddenly bring back our hand and our brain responds.