Question

Write a note on.

Reflex action 

Answer 1

1. An immediate and involuntary response given to a stimulus from the environment is called a reflex action
2. Sometimes we react to an incident without any thinking on our part or control over the reaction. This is a response given to a certain stimulus from the surroundings.
3. In such situations, proper control and co-ordination is achieved even without intervention of the brain.
4. The path of reflex action is as follows: This is also known as reflex arc. Sense organs Sensory neurons `→` Towards the spinal cord `→` Coordination neuron `→` Motor neuron Muscle or gland.