The mouth is where literally begins,
Your stomach.
Mouth?
In the stomach.
heart
The first major site of chemical digestion in frog is their stomach
Wow! That is a very thought provoking question.
It is the small intestine, although the word small is hardly appropriate. It is around 30 feet long. ________ Hmmm. I think it would be the mouth. It may not be very large, but I believe it is a major organ. In any event, there is the stomach that would certainly be named before the small intestine.
small intestine
Yes, the liver is an accessory digestive organ, as no food goes into it.
A+ user pancreas
digestion
Stomach.