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The Digestive System By John McCormack Did someone say Quiz? What is important? What are the processes and functions of the organs? Who knows what else.

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Presentation on theme: "The Digestive System By John McCormack Did someone say Quiz? What is important? What are the processes and functions of the organs? Who knows what else."— Presentation transcript:

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2 The Digestive System By John McCormack

3 Did someone say Quiz? What is important? What are the processes and functions of the organs? Who knows what else may be at the end?

4 The Beginning of Digestion Mouth- Before you begin eating, saliva starts to form in your mouthMouth- Before you begin eating, saliva starts to form in your mouth Saliva starts to break down the food while you eat to make it easier to swallow.Saliva starts to break down the food while you eat to make it easier to swallow.

5 The Highway to the Stomach Esophagus- After swallowing, food travels through the esophagus.Esophagus- After swallowing, food travels through the esophagus. Muscles in the esophagus move the food down and into the stomach.Muscles in the esophagus move the food down and into the stomach. This process usually takes 2-3 seconds.This process usually takes 2-3 seconds.

6 Stomach After food leaves the esophagus it end up in the stomach. The stomach has 3 important jobs.After food leaves the esophagus it end up in the stomach. The stomach has 3 important jobs. to store the food you've eatento store the food you've eaten to break down the food into a liquidy mixtureto break down the food into a liquidy mixture to slowly empty that liquidy mixture into the small intestineto slowly empty that liquidy mixture into the small intestine

7 Liver TheThe liver performs many tasks, including storing energy and helping the body get rid of toxins (poisons).

8 Gall Bladder Stores BileStores Bile It releases bile into the duodendum to help digest the fats you eat.It releases bile into the duodendum to help digest the fats you eat.

9 Pancreas The pancreas makes hormones (insulin) to regulate the blood sugar levels. It also makes enzymes to break down food in the intestines.

10 Small Intestine ItIt is called small because of the width. is actually a much longer tube than the large intestine.

11 Large Intestine TheThe large intestine consists of three parts. CecumCecum ColonColon rectumrectum

12 Colon The last place waste is stored until it leaves the body.The last place waste is stored until it leaves the body.

13 Summary

14 Fun Facts DigestionDigestion actually starts before you put food in your mouth. HowHow does a nice slice of pizza sound to you. IsIs Saliva forming in your mouth for a nice piece of candy?

15 Comprehension Questions 1)What 1)What is the first step of Digestion. 2)What 2)What is the role of the liver? 3)Name 3)Name two things the stomach does? 4)Name 4)Name the three parts of the large intestine and one function of one of those parts?

16 Works Cited  http://kidshealth.org/kid/body/di gest_noSW.html  www.georgetown.edu/.../ images/pancreas.jpg

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