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The Digestive System

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Kelly Wright

on 9 November 2012

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Transcript of The Digestive System

The Digestive System! By Kelly Wright The Mouth What is Digestion you ask? Digestion is the process, or the steps that the body goes through to break down the food that we eat into energy and the nutrients that your body needs so that you can walk, run, sit, play, breath, see, smell, play and perform any other body function such as thinking! When you eat, digestion starts in your mouth. In the mouth, the act of chewing, or smashing and grinding the food up with your teeth Starts to break down the food so that it can move through your body. you couldn't get food or the nutrients your body needs to function into your stomach without chewing it first! Chewing and saliva, also known as the SPIT in your mouth, starts the digestion process by breaking down food so that it can go down your esophagus, the next place we will visit in this roller coaster ride of digestion. The esophagus is a tube, like a slide, that connects and moves food from the mouth to the stomach,or the next place that your food goes in digestion. THE STOMACH In the stomach your food is churned and mixed, like clothes in a washing machine, and broken down even further by stomach juices called stomach acid or gastric juices. THe intestines Whats left of the your healthy food and the nutrients and energy that is not used by your body then moves to The LARge intestine where it will be stored until it can be excreted, from the body. The small intestine is where most digestion and absorption of the nutrients, takes place. The small intestine has little finger like things called villi that absorb the nutrients from your food into the body so that your body can work, live and have energy. The healthier the food that you eat, the more nutrients your body can receive so it is important that you eat healthy foods like fruits and vegetables. THE ESOPHaGUs Lets see if you can label the digestive organs all by yourself GREAT JOB!!! THE DIGESTIVE SYSTEM Now it's time to experiment! We will test how our saliva, spit, breaks down or starts the process of digestion in the mouth!
We will also make our own stomachs so we can see how stomach juices help to break down our food

We get to see how the small intestine absorbs nutrients into our bodies

We will see how long the small intestine is.

In art class this week you will be making your own model of the digestive system with paper plates, markers, paper towel rolls, milk jugs and panty hose! It's important to eat healthy foods because they have more of the nutrients that the body needs so that your digestive organs can work and keep you alive and your small intestine will have more nutrients to absorb and distribute into the body. Probiotics are found in foods such as yogurt will keep your digestive system healthy! Do these look like
healthy foods to you?
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