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.
Mouth?
Stomach.
Stomach and Mouth
mouth, stomach, small and large intestine
mouth, anus, intestines, pharynx
Teethyour mouth
The organ in the digestive system where the chemical breakdown of food primarily occurs is the stomach. Here, gastric acids and enzymes break down food into smaller particles for further digestion and absorption in the intestines.
The first major site of chemical digestion in frog is their stomach