Life is the seemingly endless cycle of the repetitious processes of the mind altering psychoactive dispositions of intricate and faulty human responses to stimuli.
Did you mean mechanical ? If you do mean mechanical then here's the answer to your question:
Mechanical digestion is when the food is being broken down physically into smaller pieces from the mouth and chemical digestion is when the food is being broken down into substance particals starting from the saliva and proceeding through the small intestines.
