When talking about digestion, the term "mechanical" really only applies to the mouth, where food is chewed into smaller bits. Intestinal digestion is by chemistry and bacterial/enzymatic action.
Digestion itself, including the absorption of nutrients and water, is Chemical. Movement of food through it is mechanical (by peristalsis).
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neither Proteins, carbohydrates and fats are all digested in the small intestine. The liver, gallbladder, and pancreas secrete chemicals into the small intestine to digest these nutrients. The large intestine absorbs water from the food, leaving behind waste products.
The large intestine function is digest to your food
Your food enters through your mouth and you start chemically and mechanically breaking down your food. Then your food goes down your esophagus with peristalsis. When your food enters your stomach, it is again chemically and mechanically digested. Then your food goes down your small intestine where the minerals and nutrients are taken out. When your food enters the large intestine the water is taken from it. Then it exits out of your anus.
Intestine
intestine
The large intestines function is to digest your food.
So it can properly digest and excrete food.
intestine
small intestine
* Part of digestive system * intestines * absorb (small=nutrients large=water)
the large intestine absorbs water and starts to digest it and goes through the rectum
The large intestine is essentially the same in all mammals who eat and digest solid foods. The large intestine of the mink is simply smaller than that of a human.