The organ that is most important for absorbing the nutrients of food is the intestine. The principal organ for digesting (chemically diluting food) is the stomach. Both and all other organs participating in the digestive process are of equal importance as one cannot function without the other or at least will be severely impaired.
The kidneys are the principal organ.
small intestine
Yes, the liver is an accessory digestive organ, as no food goes into it.
A+ user pancreas
digestion
Your stomach.
Mouth?
The Anus
root
Stomach.
The small intestine.
small intestine