What keeps food moving through the digestive system?

Answer 1

Wave-like contractions of the smooth muscle called peristalsis moves food through the digestive system.

The muscles in the lining of these organs contract and relax from above the food which pushes the food downwards. this process works even if you stand upside down. it can face the strongest force of gravity very easily.
The digestive system helps the body digest food. Bacteria in the GI tract, also called gut flora or microbiome.

Answer 2

There is a muscular contraction called peristalsis which pushes food along the digestive tract.

Answer 3

Food is 'propelled' through the digestive system via a muscle movement called "Peristalsis."

Answer 4

Peristaltic movements of smooth muscle

Answer 5

peristalsis