science xean
Tekst Storyboardowy
- Hi! I'm Ms. Pizza, and I'll be your guide as we go through the digestive system. As you can see, I first enter the mouth. Even before the delicious food enters your mouth, your salivary glands begin to produce saliva since you can already taste it. The saliva and food combine while you chew to form a soft food lump known as a bolus.
- The bolus then passes via the esophagus, a long, narrow tube. Our next stop is the stomach, where the bolus is forced down by the esophagus's strong walls.
- When the bolus reaches the stomach, hormones instruct thestomach walls to release acid, which dissolves the food into a liquid known aschyme. The hormones also signal the pancreas, liver, and gallbladder to beginproducing bile.
- I then move on to the small intestine from there. Thegallbladder receives bile from the liver and stores it till I get there. Theresidual fiber, water, and dead cells are absorbed by tiny protrusions calledvilli and transported to the big intestine.
- I then proceed through the colon, which is the largeintestine. Through the intestinal walls, the colon drains the majority of thefluid. The result is a mushy substance known as stool.
- I am placed in a little pouch beside the large intestine and held there until I exit the body through the anus. And after roughly 30 to 40 hours, this arduous voyage through the digestive system comes to a conclusion.
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