An introduction to the amazing functions of the human body's digestive system. An introduction to the amazing functions of the human body's digestive system. Our continued survival as individuals ...

The tract is around 8–9 meters long and stretches from the mouth to the anus. The mouth is made up of several parts that help with digestion. These parts have various functions.

Those are just the most basic components; the human digestive system is extremely complex. One would need a micrifluidic network in the intestinal walls to ensure nutrient uptake and transport.

The digestive system breaks nutrients from food into small parts for your body to absorb and use for energy, growth and cell repair, according to the National Institute of Diabetes and Digestive ...