1. The Digestive System

2. Components Esophagus Stomach Small Intestine Large Intestine
Gall bladder
Liver
Pancreas

3. The Digestive System

4. Functions of the digestive system
Ingestion
Mechanical processing
Digestion
Secretion
Absorption
Excretion

5. Esophagus the tube that connects your mouth and your stomach
Mechanical

6. Stomach A stretchy bag that holds your food after you eat J shaped
Helps to break food into smaller pieces so your body can use it for energy and nutrition
Chemical

7. Esophagus
Stomach

8. Small Intestine Tube that is 20 feet long. Continues to digest food
Food stays in your small intestine for 4 to 8 hours
Absorption of nutrients

9. Small Intestine

10. Large Intestine Tube that is 5 feet long
Gets waste from small intestine
Waste stays for 10 to 12 hours
Removes water

11. Large Intestine

12. Gall Bladder
Storage tank for bile (a greenish-yellow liquid) that helps your body break down and use fats
Located under your liver
Shaped like a pear

13. Gall Bladder

14. Liver Factory for antibodies and bile
Stores vitamins and sugars until your body needs them

15. Liver

16. Pancreas
Helps you digest food by breaking down sugars

17. Functions Digest the food we eat
Take the nutrients out of your food so your body can use it

18. Healthy Habits
Eat foods that are high in fiber like fruits and vegetables

19. Drink plenty of water

20. Chew your food completely before you swallow

21. Avoid foods high in fat

22. Interesting Facts
Food is in your digestive system for about 24 hours

23. Your stomach stretches when you eat like a balloon being filled with air

24. You have a trap door called the epiglottis to cover your windpipe when you swallow.

25. Your stomach mashes your food the way a baker kneads dough for bread.

26. Review Brain-You think about food and start to salivate
Mouth – Crushing and grinding
Stomach – Chemical Breakdown
Small Intestine – Useful material extracted
Colon – Water removal

27. Digestive Organ’s Functions
Salivary Gland
There are three main glands that deliver saliva to soften the food
Epiglottis
This is a trap door that covers the trachea to prevent food and fluids from draining into the lungs
Esophagus
This is a muscular tube that takes the food to the stomach. The contractions are called PERISTALSIS
Stomach
This is where the food goes and gets melted into a thick soup by the GASTIC ACIDS

28. Digestive Organ’s Functions
Small Intestine
It has three parts, duodenum, jejunum and ileum.
Duodenum
Is responsible for continuing to break down of food
Jejunum
Absorbing nutrients into the blood stream
Iluem

29. Digestive Organ’s Functions
Pancreas
The body’s sugar control board. Produces insulin and glucagon
Liver
Food doesn’t pass through this organ, instead the liver secretes bile
Gall Bladder
Stores bile from the liver and releases bile into the duodenum
Appendix
We do not need our appendix, sometimes a piece of food gets stuck in here and causes an infection.

30. Digestive Organ’s Functions
Large Intestine
Also known as the colon. It has three major parts, ascending colon, transverse colon and descending colon.
Rectum
Part of the colon, used to store waste for disposal.
Gall Bladder
Stores bile from the liver and releases bile into the duodenum

31. Summary Functions Digests food Absorbs nutrients for the body
Components
Esophagus
Stomach
Small intestine
Large intestine
Pancreas
Liver
Gall Bladder

32. Summary Healthy Habits Eat high fiber foods Drink lots of water
Chew food well
Avoid high-fat foods

33. Works Cited Microsoft ClipArt Microsoft Encarta Encyclopedia
My Body: Teacher Created Materials