1. Breaks down food into nutrients.
Digestive System
Breaks down food into nutrients.

2. Made up of: Mouth Esophagus Stomach Salivary glands Small intestine
Large intestine
Rectum
Anus
Food does not travel through:
Salivary glands
Liver
Pancreas
Gall bladder

3. Digestive Tract Food travels through the following organs: 1.Mouth
2.Esophagus
3.Stomach
4.Small intestine
5.Large Intestine
6.Rectum
7.Anus

4. Types of Digestion Mechanical Digestion Chemical Digestion
Grinding and mashing of food into smaller pieces.
Chemical Digestion
Breaking down of food into nutrients using acids and enzymes

5. 1. Mouth
Digestion begins here. Both mechanical and chemical digestion take place.
Teeth will chew and mash food into smaller pieces. (mechanical digestion)
Salivary glands found around your mouth produce saliva that begin chemical digestion of carbohydrates. Changes starches to sugar.

6. 2. Esophagus
The esophagus is a long tube that connects the mouth to the stomach.
Food moves through the esophagus by peristalsis.
Peristalsis is a rhythmic muscle contraction that squeeze food down.

7. 3. Stomach Bag-like organ where digestion occurs.
Mechanical digestion takes place when the stomach churns.
Chemical digestion occurs here in an acidic environment

8. Long but narrow tube where final digestion takes place.
4. Small Intestine
Long but narrow tube where final digestion takes place.
Nutrients leave the digestive system and enter the blood stream(circulatory system) here.
Villi

9. 5. Large Intestine Undigested food ends up in the large intestine.
6. Rectum -Solid waste or feces is stored here.
7. Anus -Solid waste leaves the body through here.

10. mouth
teeth
salivary glands
esophagus
liver
stomach
gall bladder
pancreas
large intestine
small intestine
rectum