A meal takes a one-way trip through about nine metres of tube, and each stretch does a different job — grinding, acidifying, splitting apart, absorbing, fermenting. Tap any organ to see what happens there, or switch to Follow a meal and watch one travel.
The digestive tract
Anterior view — the patient's right side is on your left. Tap any organ in the diagram.
Mouth to colontap an organ to begin
Time since swallowing0 s
swallow
Segment widths are compressed — the mouth and esophagus stages are seconds long and would otherwise vanish.