1. Food, Energy and Healthy Eating (HB Chapter 3) Lessons 3 and 4

2. Substance that breaks up fat particles. bile

3. Triangular organ located between the stomach and the first part of the small intestine that helps break down carbohydrates, proteins, and fats. pancreas

4. Last section of the digestive system. large intestine

5. Millions of finger-shaped structures folded into the inner surface of the small intestine. villi

6. Does many jobs in the body such as making bile for the digestive system (largest organ in the body). liver

7. Where waste material is compressed into solid form. rectum

8. Where bile is stored. gallbladder

9. A muscular opening at the end of the rectum. anus

10. Part of the digestive system where most chemical digestion takes place. small intestine

11. Fluid released by salivary glands when you eat. saliva

12. A thick, slippery substance produced by the body that lines the esophagus. mucus

13. Flap of tissue that seals off your windpipe and prevents food from entering the lungs as you swallow. epiglottis

14. J-shaped muscular pouch in the abdomen. stomach

15. Process by which your body breaks down food into small nutrient molecules. digestion

16. Muscular tube that connects the mouth to the stomach. esophagus

17. Waves of involuntary muscle contractions that push food toward the stomach. peristalsis

18. Process by which nutrient molecules pass through the wall of your digestive system into your blood. absorption

19. Protein that speeds up chemical reactions in the body. enzyme