human body systems

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Across
  1. 4. What do cells form to make?
  2. 7. What does the esophagus do?
  3. 10. What does the small intestine do?
  4. 11. What does the large intestine do?
  5. 12. What does the bladder do?
  6. 13. What does the stomach do?
  7. 15. What does the liver do?
Down
  1. 1. What are tissues?
  2. 2. What organs are a part of the nervous system?
  3. 3. What does the heart do?
  4. 5. What do lungs do?
  5. 6. What do tissues form to make?
  6. 8. What do the kidneys do?
  7. 9. What do organs make up?
  8. 14. What are our bodies full of?