Process:  - The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow - Your tongue helps out, pushing the food around while you chew with your teeth - The esophagus moves food from the back of your throat to your stomach - Strong muscles in the walls of the stomach and gastric juices break down food in your stomach - Your stomach moves the food into the intestines to complete digestion -   Perturbation hypothesis: suppose during dieting happens, how will it affect LESS digestion occuring.  Does the supposed perturbation have an effect (direct or indirect) on the process?

yes