Hi Grade 8. My name is Nicole. Today, I will show you how food travels from our mouth, what happens inside our tummy and to where it will leave our body in a form of feces. Now, just sit there and relax and observe what particular parts of my body will do to this carrot. Are you ready???First of all, this food will be grinded in my mouth with the help of my beautiful teeth and my saliva.
After my mouth grinded the food into tiny pieces, I the ESOPHAGUS will now be responsible for letting this food into the stomach. My muscular walls will now squeeze this bolus down to the stomach, which is our next destination
Once the bolus are inside me, the STOMACH, the hormones tell my stomach walls to release acid that breaks down the bolus into a liquid called chyme. The hormones also alert the liver, gallbladder, and pancreas to start creating bile.
From the stomach, the food will now enter me, the SMALL INTESTINE. The liver will then sends bile to the gallbladder, which holds it until the food arrive. Tiny projections called villi absorb the molecules of the bolus and the leftover fiber, water, and dead cells enter the large intestine.
Then, the remaining food will pass through me, the LARGE INTESTINE or the COLON. I drain out most of the fluid through the intestinal walls. This leaves a soft mass called stool.
The large intestine deposits the stool in me, the RECTUM a small pouch where it will be held until it leaves the body through my twin brother the ANUS. And this long journey through the digestive system, which takes about 30-40 hrs, finally ends.
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