Body Systems

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Across
  1. 6. Your _______ system protects your body against diseases.
  2. 8. This stage occurs between ages 12 to 18.
  3. 10. This organ produces a chemical that adjusts sugar levels in your body.
  4. 12. These connect with larger blood vessels to carry nutrients to all areas of your body.
  5. 13. This is the liquid in your mouth.
  6. 14. Waste passes out through here.
  7. 15. Food passes thyrough this to the stomach.
Down
  1. 1. This organ churns your food.
  2. 2. The _______ blood cells fights germs when they enter your body.
  3. 3. A muscular sac where urine is stored.
  4. 4. This organ breaks down fats.
  5. 5. The _________ system begins in the mouth.
  6. 7. The digestive system breaks down food into _________ that the body can use.
  7. 9. _____use these substances for energy, growth and repair.
  8. 11. The ______ intestines is where most digestion occurs.