The Digestive System

1. Zuri, Rachel and Caleb The Digestive System

2. Where is the digestive system located? • The digestive system is a bunch of organs located all throughout abdomen.

3. Major Functions of the Digestive System • Digestive system starts in your mouth • Food goes down a tube called the esophagus to the stomach • food enters the stomach where it is mixed with acid • Food goes to the small intestine (where more chemicals are added to the food) • Food travels to the large intestine ( were all the chemicals are taken away from the food, and it absorbs into the blood cells) • Waste leaves body through the anus

4. Diagram of the Digestive system http://www.enchantedlearning.com/subjects/anatomy/digestive/

5. Major organs(mouth) • Digestive system starts in your mouth • Your teeth help chew the food into little particles • your saliva moistens the food enough to swallow

6. Major Organs(esophagus) • Food goes down the esophagus • A long tube that forces the food into your stomach

7. Major Organs(stomach) • Stomach is a sack like organ • Soaks the food in a acid called chyme that helps your food digest • Size of your fist

8. Major organs(small intestine) • Food goes to duodenum(the first part of your small intestine), then the jejunum( the part of the small intestine),finally to the ileum(the end) • bile, pancreatic enzymes (chemicals) help the food break down even more

9. Major organs(large intestine) • Food finally goes to large intestine • Water, electrolytes, and chemicals are taken out of food • Bacteria is added • Nutrients that are needed absorbs into the blood cells • Body gets food

10. Major organs(exiting) • Waste(left over food not needed) exits the body through the anus

11. Teamwork with the systems • Digestive system breaks down food so the circulatory system can absorb the food into blood cells and feed the whole body • After digestive system and circulatory system have fed the whole body, excretory system helps the waste not needed exit your body

12. Teamwork with the systems (continued) • If the digestive system broke down, the circulatory system would have no food to absorb, and body would get hungry and weak • The excretory system would have no leftover waste to dispose(it pretty much would be useless)

13. Diseases in the digestive system • Celiac disease- damages lining in the small intestine and prevents body from absorbing nutrients that is needed • Crohn’s disease-inflammatory of your intestine caused by bowel buildup

14. Ways to keep The digestive system healthy • Eating vegetables and fruits helps your digestive system by keeping your stomach from having problems • Make sure you drink a lot of water because it is the main thing that helps your digestive system

15. Fun Facts • Your stomach is as big as your fist • Your mouth produces about 1.7 liters of saliva every day • Your small intestine is nearly 20 feet long • Your large intestine is actually way smaller than your small intestine

16. Questions • What’s one way to keep your digestive system healthy? • What part of your body helps the waste exit your body? • Where is the digestive system located?

17. Sources we used • Thinkquest (website) • Living systems (book) • Adventure Through the Digestive System(book) • Enchanted Learning (website)