Oh, my. I need to use the bathroom. That's because my digestive system has finished its 30-hour process, and the excess waste needs to be expelled.
First, the food enters the mouth. There, the food is mixed with saliva which moistens the food and creates a bolus chunk which becomes easy to swallow. From there the food enters the esophagus, where peristalsis pushes the food into the stomach. In the stomach, the food is broken down and churned with gastric acids. Now the mixture of gastric juices and food is called chyme.
Then the chyme travels through the duodenum where the pancreas releases juices to mix with the chyme to further digest the food. After that, the liver releases its bile (a digestive juice that contains digestive acids that remove fat) into the gallbladder where it is stored until it is released into the small intestine, where the food travels after the stomach.
After the food travels through the small intestine, it enters the large intestine. This is where the water is absorbed from the food that is now waste. From the large intestine the wastes travels into the rectum, where it is expelled as waste.
And that is the full adventure of the digestive system. Fascinating, isn't it?
But I am getting hungry. I'll head on and grab something to eat.