所有译文

-what remains of the ice cream is a small amount of indigestible, solid waste which is stored in the rectum. this is expelled through the anus.
-the stomach's digestive juices are mixed with food.
-they are absorbed into the blood stream
-the muscle at the end of the stomach relaxes to left food through to the duodenum.

--enzymes in the duodenum complete the break down of protein particles.
--then enzymes break down the fat particles further.
--in the ileum, proteins and fats are in particles small enough to be absorbed.
--what's left behind is undigested waste, largely made up of coughage and water.

--the muscle at the end of the stomach relaxes to let food through to the duodenum.
--what remains of the fish is an indigestible, solid waste, which is stored in the rectum.