Gallbladder and biliary tree (anatomy, gallstones)

We've been dancing around it for a few weeks, so let's join the liver to the duodenum through the biliary tree and the gallbladder. And what about gallstones? And where might they get stuck? And what problems might gallstones in different locations cause?
Daily Anatomy App:

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Music by Broke For Free
Album: Petal
Song: Add And
https://brokeforfree.bandcamp.com

Видео Gallbladder and biliary tree (anatomy, gallstones) канала Sam Webster