By Shayna and Bella. Hi I’m going to be showing you where the food is in the digestive system! But first you need to learn a little about it.

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Presentation transcript:

By Shayna and Bella

Hi I’m going to be showing you where the food is in the digestive system! But first you need to learn a little about it.

Food We eat food to feed are cells to make energy.

Esophagus The digestive system starts when you eat food and swallow it. Then the food goes down your esophagus and then the food is called the bolus so its not called pancakes anymore.

Stomach After the food starts in your throat it starts heading to your stomach. Muscles along the length of the esophagus contract to push the bolus along. The stomach is not just used for storing food. Things get rough down there. The muscles in the stomach squeeze and mash the food/bolus. Then the food changes into a thick runny liquid.

Small intestines The bolus moves into the small intestine, which can be 6 meters long(20 feet). It is so thin that it will fit around you even if you aren’t 20 feet tall. Juices are added. And that’s when food changes into nutrients that cells can use. Sugar is the most important nutrient. In the small intestine there are millions of capillaries. Sugar and other nutrients pass through the sides of the intestine and into the capillaries. Inside the small intestine there are little things called vile. The small intestine is as small as two of your fingers!

Large intestine The left over food leaves the small intestine and flows through the large intestine and colon. By this time almost all nutrients has been taken out. Water is taken out of the food mass. The material remaining is composed of fiber, indigestive material, and dead bacteria. This is called the feces. The feces moves into the rectum. Here the waste is kept until it can be taken away through the anus. Until you use the bathroom the food stays in your anus.