Water and salts are reabsorbed leaving the undigested material.

Diarrhea, Constipation, GERD, Gallstones, Peptic ulcer, Colorectal cancer

It transports bolus from mouth to the stomach through peristalsis.

mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectume, anus

Mechanical digestion is the physical breakdown of food, while chemical digestion break down food into simpler nutrients that can be used by the cells.

The folds in the lining of the small intestine called villi absorb the food nutrients.

It digests and temporarily stores food.

Proper nutrition, Proper hygiene, Health habits, Regular Exercise

ingestion, digestion, absorption, elimination

It serves as a storage site of feces before it is eliminated through a muscular opening called anus.

salivary glands, liver, gallbladder, pancreas

Digestion begins in the mouth with the help of the teeth, tongue, and salivary glands.