And if you were to ever have one, that would be looked at. After the duodenum, there’s the jejunum. That starts to get into the territory that’s very difficult to get to. And then the ileum– there’s ...

Digestive tracts differ for different animals. - In comparisons, consider lifestyles and evolutionary history of animals. Pancreas marks duodenum. Jejunum, ileum: attaches to large intestine and colon ...