It is bad manners because no one wants to see your food as you chew it, you might spray food at someone as you talk and you are unable to speak clearly with food in your mouth. It is very bad manners.
it helps us chew food and speak
chewing allows you to get the ntrients out of your food
Chewing gum should be eaten in moderation. so it is at the top of the pyramid. It has little to no nutritional value.
when the food that was not grind looked like food entering our mouth and we are chewing it and the food was grined looked like food we were chewing and it was mixed with saliva.
when the food that was not grind looked like food entering our mouth and we are chewing it and the food was grined looked like food we were chewing and it was mixed with saliva.
The food you are eating changes state. The food is a solid but it get its state changes by you chewing food. Changing state is making a chage in apperance. So in a way it is a chemical change If that answers your question, your welcome!!
Chewing physically breaks food, while the saliva chemically breaks it down.
because otherwise the food which you are chewing/swallowing could go down pharynx (throat) rather than the glottis.
Chewing food is a mechanical process that breaks down food into smaller pieces to make it easier to swallow and digest.
Chewing makes food small enough to digest.
my chewing it
Yes. Chewing is necessary so as to not choke on food.