Question

How are involuntary actions and reflex action different from each other?

Answer 1

Involuntary action does not involve thinking to enable muscle movement but it is still controlled by our brain. Example: Beating of our heart is an involuntary action.

Reflex action: It is quick and spontaneous action  in response to stimulus. For example: On sudden exposure to bright light we close our eyes immediately. 

Answer 2

Involuntary action does not involve thinking to enable muscles movement

but it is still controlled by our brain.

Reflex action :

It is quick and spontaneous action in responce to stimulus