Chapter 18

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Across
  1. 4. carbohydrate Two types of carbohydrates are starch and fiber called (two words)
  2. 7. First part small intestine
  3. 8. acids Molecule of protein made of smaller units called (two words)
  4. 9. Watery liquid moves out of stomach
  5. 10. Watery substance in your mouth
  6. 12. Speeds up chemical reaction
  7. 15. Regulating body functions and prevent diseases
  8. 17. Regulation of body's internal environment such as temperature
  9. 18. Fat is broken down into smaller molecules
  10. 20. Enzyme produced by glands near the mouth
Down
  1. 1. Large molecules that contain carbon
  2. 2. Increases surface area of small intestine so nutrients can absorbed
  3. 3. Main source of energy
  4. 4. digestion When chemical break drown molecules of food (two words
  5. 5. group Food that has same nutrient (two words)
  6. 6. carbohydrates sugars are called (two words
  7. 11. Process when food breaks down
  8. 13. digestion When food is mixed and chewed (two words)
  9. 14. Build up cells
  10. 16. Substances in food that give energy
  11. 19. Also called lipids necessary provide energy