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

Explanation

Involuntary Action : (i) The action which cannot do by thinking is called involuntary action. example, beating of the heart.
(ii) Involuntary actions are controlled by the brain.
Reflex Action : (i) An action, i.e., a response which immediate (spontaneous) and does not need processing! the brain is called a reflex action. For example, immediate removal of hand on touching a hot plate.
(ii) Reflex actions are controlled by the spinal cord.