Body Systems

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Across
  1. 2. Breaks food into usable nutrients.
  2. 5. Keeps body balanced and functioning.
  3. 7. Long cells that produce force.
  4. 11. Carry oxygen-rich blood away.
  5. 13. Moves blood through the body.
  6. 14. Allows movement through muscle contractions.
  7. 16. Removes waste from the body.
  8. 17. Bring blood back to heart.
  9. 19. Chemical messengers for body functions.
  10. 20. Breaks food by mechanical means.
Down
  1. 1. Brings oxygen into the body.
  2. 3. Releases hormones to regulate body.
  3. 4. Organs that secrete useful substances.
  4. 6. Contracts to help create movement.
  5. 8. Tiny blood vessels for exchange.
  6. 9. Allows humans to create offspring.
  7. 10. Keeps internal body conditions stable.
  8. 12. Breaks down food for energy.
  9. 15. Supports and protects internal organs.
  10. 18. Sends signals through electrical impulses.