The Total solution for NCERT class 6-12
Reflex actions
Involuntary actions
1. Rapid automatic responses to a stimulus without the conscious involvement of the brain
1. Occurs without the consciousness of an organism
2. Controlled by spinal cord
2. Controlled by mid brain or medulla oblongata
3. Very quick and instantaneous
3. Relatively slower
4. May involve any muscle or a gland
4. Involves only smooth muscles
5. Can be conditioned
5. Cannot be influenced by external conditioning
Examples: Blinking of eyes, salivation
Examples: Beating of heart, blood circulation