Food typically stays in the stomach for about 2 to 4 hours before moving to the small intestine.

The average human digestive system processes about 2000 calories per day.

The human digestive system produces approximately 20 different types of enzymes.

An average adult human has 32 teeth, including wisdom teeth.

The human large intestine absorbs about 1.5 liters of water daily.

The average daily production of saliva in a human is about 1 liter.

The average length of the human small intestine is approximately 5 meters.

A healthy adult typically has 5 to 7 bowel movements per week.

It typically takes about 24 to 36 hours for food to travel through the entire digestive system.

The pH level of gastric acid in the human stomach typically ranges from 1 to 2.