Increase available surface area of food, to increase more sites for enzyme activity and hence quicker digestion
Teeth
Mechanical and Chemical.
Teeth
Chemical digestion
The breaking down of food for the purpose of nutrition is called, "Digestion".
Chemical digestion and mechanical digestion
Chewing is mechanical digestion.
Mechanical digestion stands for the break down of food by chewing. Mechanical digestion is the physical part of the digestion process of the human body.
By definition mechanical digestion is a physical part of digestion.
Mechanical digestion in humans is completed in the stomach.
Saliva begins the chemical digestion of starch. It also is important for the success of mechanical digestion of the mouth, but does not, in its own, perform mechanical digestion.
does absorption occur when mechanical or chemical digestion