Answer :

Voluntary processes are certain processes, on which we have control. ie these actions take place according to our wish...eg, lifting hand..

Involuntary processed are certain processed, on which we have no control.. eg heart beating..
THE ACTIONS WHICH HAPPENS ACCORDING TO OUR WILL IS CALLED VOLUNTARY ACTIONS WHILE THE ACTIONS WHICH DOES NOT HAPPEN ACCORDING TO OUR WISH ATE CALLED INVOLUNTARY ACTIONS.

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