Biology Crossword

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Across
  1. 5. exerts carbon dioxide
  2. 6. helps you breathe
  3. 7. Processes substances
  4. 10. rumbles when you’re hungry
  5. 11. helps digest food after the stomach
  6. 13. carries nerve signals
  7. 14. circulate blood thoughout body
  8. 15. helps circulate blood
Down
  1. 1. the bone that hurts a lot when hit
  2. 2. absorbs nutrients
  3. 3. begins the process of digestion
  4. 4. sensory input
  5. 8. cpu of the body
  6. 9. critical to standing up
  7. 12. helps with filtration