1. Digestive System

2. Mouth
Saliva – chemical digestion
Teeth – mechanical digestion

3. Esophagus Long tube (10 inches) Connects mouth to stomach
Moves food via peristalsis

4. Stomach J-shaped muscular organ Lined with mucus
Churns and mixes food with digestive juices
Makes chyme (consistency of milk shake)
Food spends 2 –3 hours here

5. Small Intestine
About 22 feet long
Nutrients are absorbed via villi

6. Large Intestine About 5 feet long Left over food travels here
Water is absorbed (colon)
Solid waste (feces) is produced
Last section of large intestine is rectum

7. Anus
Opening
Solid waste (feces) leaves the body

8. Other Organs – Food never enters
Liver – Makes bile (to digest fats)
Gallbladder – stores bile
Pancreas – makes enzymes