KnowraBiliary tractLinked fromLinked fromThe 2 pages that link to Biliary tract, each with the reason it gives.All 2Narrower topic 1Compared with 1BileNarrower topic: It is the transport system for bile rather than the fluid itself.Gastrointestinal tractCompared with: It delivers digestive fluid to the gut but is not part of the food-carrying tube.