Human Body Systems

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Across
  1. 3. digestion
  2. 8. of the heart
  3. 10. oxygen and carbon dioxide
  4. 11. System-Oxygen and carbon dioxide being taken in and out
  5. 12. in lungs
  6. 13. urine
  7. 14. bottom of chest
Down
  1. 1. System-Waste
  2. 2. System-Blood
  3. 4. digestion
  4. 5. upper part of the heart
  5. 6. that filters
  6. 7. filters
  7. 9. System-Food,energy
  8. 13. to lungs