1. Digestive System
Function: Moves and digests (or breaks down) food into usable materials for the body
Digestion is the process of breaking down food into usable materials.

2. Mouth
Chewing breaks down food (mechanical) and saliva moistens food and amylase enzyme changes starch to sugars (chemical)
*yarn- measure front to back of mouth (corner of lips to jawbone)

3. Epiglottis Blocks the trachea when food is swallowed Epiglottis
Trachea (windpipe)

4. Esophagus Passageway from the mouth to the stomach
Yarn- measure top of the neck to stomach. (about 10 in)

5. Stomach
Breaks down food by churning it and digests proteins. Food turns into a liquid called chyme.
Yarn- stretch out hand. Measure tip of thumb to tip of little finger.

6. Small Intestine
Enzymes break down chyme and absorbs nutrients through villi to the bloodstream to be delivered to cells.
Yarn: measure height four times

7. Large Intestine or Colon
Absorbs water and stores unused solid substances
Yarn: Measure height one time

8. Rectum
Feces is stored here
Anus
Releases feces

9. Liver
Produces bile to break down fat

10. Gallbladder Pancreas Stores bile
Sends enzymes to small intestine to break down proteins, carbohydrates, and fats