Harsh or vigorous movements can be detected as disrespectful or have rude intentions.In a calmly and non-abrasive manner simply easing simple things such as the number of pointing and hand to face interaction that is done can decrease your chances of being disrespectful with a client .
A) foods are physically broken down into smaller pieces!
your mouth brakes the food into small pieces and is the main part but chemical reaction also occurs,
the saliva in your mouth helps you swallow the food easily!
just imagine eating your food dry like doritos that will hurt! your saliva makes it a lot easier and painless!