14 FUN FACTS ABOUT
DIGESTION
by Caitlind L. Alexander
A LearningIsland.com
15-Minute book
Editor: Jennifer Robinson
Smashwords Edition
(c) Copyright 2006 Caitlind Alexander. All rights reserved.
Published by LearningIsland.com
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14 Fun Facts About Digestion / Caitlind L. Alexander
Summary: A brief look at the digestive system and how it works.
1. Digestion. Juvenile Literature. 2. Human Body. Juvenile Literature. 3. Anatomy and Physiology. Juvenile Literature.
Created in USA
RL: 4.9
W: 1745
Ages 8 and up.
Digestion is the process of taking food into your body and having your body break it down, absorb the nutrients from it, and get rid of what it doesn’t need. Here’s at look at some fun fact about digestion from start to finish!
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Fact 1: Digestion starts in your mouth.
Many people think that food is digested in your stomach. That’s not true. There are a lot of organs that help you digest your food.
Digestion actually starts with your mouth. Your teeth chew up the food and start to break it into little tiny pieces. Your body can’t absorb large bits, so breaking it up is an important start.
Your tongue also helps by pushing the food from one side to the other. This makes sure all the food gets ground up between the teeth. Your tongue also keeps the food off to the side so you can breath. And it keeps the food from going down your throat until you are ready to swallow.
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Fact 2: Spit is an important part of digestion.
Spit (or what the scientists call saliva) helps a lot with digestion. Spit isn’t just water. It actually has things in it that begin to break down the food in your mouth. These things are called enzymes.
Most enzymes in your body only break down one kind of food. The enzymes in spit break down carbohydrates. Your body uses carbohydrates for energy. Without spit the carbohydrates would be too big to be absorbed by your body, so without spit you would have no energy.