Name: _____________________________________ Date: ________________________________ Human Biology 11 The Digestive System and Nutrition Test Review 1. What is digestion? 2. What is the difference between mechanical digestion and chemical digestion? 3. What is metabolism? 4. What is the difference between catabolic and anabolic metabolism? 5. What are some factors that affect metabolic rate? 6. What are the three functions of the digestive system? 7. Explain all the steps for digestion of the mouth. 8. What are the names of the teeth and how many of each type does an average adult have? 9. Explain peristalsis 10. What are the layers of the esophagus? 11. Why is the cardiac sphincter important? 12. Which enzymes are found in the stomach and what do they break down? 13. What is bile? Where is it made and stored? 14. How long is food in the stomach for? 15. Which organ absorbs most nutrients? How? 16. What are the three parts of the small intestine and what does each do? 17. What happens in the large intestine? 18. What does healthy stool look like? 19. Define nutrition. 20. What are the six essential nutrients and what does each one do for us? 21. What happens if you eat too many carbohydrates? 22. What are the three types of carbs? 23. Explain what insulin does. 24. What are the two types of fats and which is better for us? 25. Explain what cholesterol is. 26. Why are proteins so important? 27. How many essential amino acids are there? Why are they classified as essential? 28. Name one vitamin and what it does for us. 29. Name one mineral and what it does for us. 30. What are calories? 31. What do your recommended caloric intake depend on? 32. How many calories does 1g of carbs give you? 1g of fat? 33. How many fruits and vegetables should you consume each day? 34. Why should you eat a balanced diet?