1. The Digestive System The Digestive System Mechanical Digestion
Chemical Digestion
Enzymes
Absorption

2. Some helpful things to recall…
Involuntary Muscle
Muscles you cannot control, such as the muscles surrounding your intestines
Red Blood Cell
Carry oxygen and nutrients
Diffusion
Going from an area of high concentration to low concentration

3. Digestive System
Structures: Mouth, Esophagus, Stomach, Small Intestine, Large Intestine
Function: To break down food and take in the nutrients

4. Digestive System

5. Mechanical Digestion
The physical breakdown of food. (chewing, mixing, churning)

6. Mechanical Digestion

7. Chemical Digestion
When chemicals break down into smaller parts. Protein to amino acids, Carbohydrates into sugars, etc.

8. Chemical Digestion

9. Enzyme
A protein in your body that speeds up a chemical reaction. They help break down food.

10. Enzyme

11. Enzymes

12. Absorption
The intake or uptake of nutrients that occurs in your small intestine.

13. Absorption