Salivary glands
I don't think of it as an organ, but chemical digestion of starch begins in the mouth, using saliva.
Mouth: in saliva there is this amylase enzym to break it down to sugar(s)
The mouth is where literally begins,
mechanical digestion is when you are breaking down food almost by hand. you're breaking it down manually. an example of mechanical digestion is chewing. it begins in your mouth and ends once you swallow.
Some chemical digestion of carbohydrates occurs in the mouth with salivary amylase. Most chemical digestion occurs in the duodenum of the small intestine.
Mouth?
The major organ responsible for chemical digestion and absorption of food is the small intestine.
Stomach.
Stomach and Mouth
mouth, stomach, small and large intestine
Teethyour mouth
mouth, anus, intestines, pharynx