1. The Digestive System

2. Digestion Processing of food Types
Mechanical (physical) – mouth & stomach
Chew
Tear
Grind
Mash
Mix
Chemical
Mouth
Saliva
Stomach
HCL & PEPSIN
Liver & Gall Bladder
Bile
Pancreas
Pancreatic enzymes

3. Digestion Phases Ingestion (eating) Movement Digestion Absorption
Further digestion

4. Esophagus
Functions
Secrete mucous
Transport food

5. Peristalsis
Muscular wave-like movements that push food through the digestive tract

6. Stomach “J” shaped organ muscular organ Where digestion begins
Mixes food with Hydrochloric Acid (HCL) & Pepsin
Solid food turns into chyme

7. Small Intestine Digestion ends here and absorption begins
Pancreas and gall bladder add chemicals to finish digestion
Absorption of nutrients begin

8. Structure of the Villi in the Small Intestine
Increases surface area
Finger-like projections
Absorb nutrients into the bloodstream

9. Large Intestine Absorbs water & Vitamins B & K
Forms & eliminates waste (feces)
Rectum
Anal canal

10. Liver & Gall Bladder Produce bile – chemical that breaks down fats
Removes dugs and alcohol
Bile is stored in the Gall Bladder

11. Pancreas Produces pancreatic enzymes
Added to the small intestine to break down sugar, carbs, and fats

12. The Organs and Positions in the Abdominal Cavity