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No chemical or mechanical digestion occurs in the esophagus, only propulsion, which is one of the six digestive processes.
Peristalsis. The movement of muscles bringing the food to the stomach.
Chemical digestion
Chemical digestion and mechanical digestion
The mechanical process of digestion is first, followed closely by chemical digestion. After that it is mostly chemical digestion, then absorption, and lastly elimination, or defecation.
The mouth is the beginning of both mechanical and chemical digestion. Chewing breaks the food into smaller pieces and the saliva wets the food but also adds an enzyme called amylase that begins the digestion of carbohydrates.
chemical
does absorption occur when mechanical or chemical digestion
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.
Mechanical and chemical digestion are not the same.
chemical digestion is breaking down with saliva, and mechanical digestion is chewing...(break down with chew!):):P
Mechanical