Anatomy & Physiology · Systems
Digestion & the Gut
The journey of a meal: mouth, stomach acid, the small intestine where most absorption happens, the liver and pancreas, the large intestine and its trillions of microbes, fiber, and what the evidence says about gut health.
Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: Cells, tissues & organs. Next: Fiber & the microbiome; Diets compared. Sources: Crash Course A&P #33–35; Sender, Fuchs & Milo (2016) on bacterial counts; Giulia Enders, *Gut*.Next: 1. The route