Nutrition and Digestion Review Sheet Use a separate piece of paper or no credit!! 1. How does each part or the digestive tract contribute to mechanical and chemical digestion? a. Mouth? b. Stomach? c. Small Intestine? d. Large Intestine? 2. How is chemical digestion different from mechanical digestion? 3. Why are proteins, fat and carbohydrates important in your diet? Can any of them be harmful? Explain. 4. Why is it a bad idea to eat a diet that consists of primarily junk food if you take a vitamin/ mineral supplement? What are you missing? 5. Label the parts of the digestive system on the back of this sheet. 6. Is the liver and pancreas part of the digestive tract? What do they do? 7. Explain in detail how a cheeseburger travels through your digestive system and how each organ contributes to the digestive process. Include examples of both mechanical and chemical digestion. You should describe at least 10 different things that happen to your food during its trip through this system. 8. List four foods that tested positive for fat. Name four that tested positive for starch? Name four foods that tested high in protein? 9. Why is it important to eat fruits and vegetables that are high in fiber? 10. Why is pasta a better source of energy than your Halloween candy? 11. Which supplies you with more energy, a peanut or a marshmallow? Explain. 12. A food has 6 grams of fat and 108 calories per serving. What is the percent of calories from fat per serving? 13. Why are villi important and how are your villi like a sponge? 14. Why is iron important? Calcium? Vitamin C? 15. Why does a high sugar diet often lead to being overweight? 16. Briefly describe the behaviors that characterize anorexia, bulimia and compulsive overeating. What are the negative effects of each eating disorder?