Chapter 18

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