Drinking water is important because it helps to dissolve foods so therefore they can be soluble molecules that can be absorbed into the bloodstream by villi. Villi are finger like features in the small intestine which increase the surface area.
The small intestine is where the vast majority of digestion and absorption of food takes place.
As far as I know there is no digestion at all in the large intestine, only absorption.
Digestion and absorption of nutrients
small intestine
Digestion and absorption.
Digestion and absorption.
The most important function of the small intestine is the absorption of nutrients including minerals, fats, proteins and sugars.
Most of digestion occurs in the stomach and most absorption occurs in the small intestine.
Colon
90% of the digestion and absorption of food occurs in the small intestine.
The small intestine.
Small intestine