Chewing begins mechanical breakdown of food through mastication
The mechanical breakdown of food starts with the saliva in your mouth.
Mechanical breakdown makes food smaller so it wasn't be so large for the chemical breakdown.
a mechanical breakdown is when you manualy breakdown something,without using any objects. for example chewing your food is a mechanical brekdown or ripping a paper. And when you are breaking it down it fells like you do not feel anything.
Mechanical Digestion
mechanical breakdown
Mechanical breakdown helps chemical breakdown because when you chew, chemical breakdown is going on all at the same time. So, that is going to chemical because if you didn't have saliva (chemical breakdown) if would take real long to digest your food.
Mastication, commonly known as chewing, is the term for the mechanical breakdown of food in the mouth.
Saliva
The process begins when you chew, that is the first physical breakdown which happens alongwith chemical breakdown with the help of the saliva. the other happens in your stomach, where the food is broken down to form a semi liquid type of substance.
2 primary actions that I'm aware of. Mechanical breakdown and breakdown by amylase.
mechanical breakdown of food and mixing food with saliva, also called mastication.
Saliva