Organ System Crossword

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Across
  1. 4. It is a system that transports oxygen and nutrients in cells.
  2. 7. It is a system that provides the engine for movement and physical abilities.
  3. 9. This organ is the control center of the body.
  4. 11. It is a system that regulates the chemical composition of body fluids.
  5. 12. This organ protects the body from external factors like temperature.
  6. 13. This organ produces the egg cells.
  7. 14. gland this organ receives information about the state of the light-dark cycle from the environment.
  8. 16. It is a system that protects the body from infection and injury from the external environment.
  9. 19. It is a system that chemically and mechanically degrades food.
  10. 21. It is a system that provides mechanical support, movement, and protection.
  11. 22. It is a system that produces hormones to regulate bodily functions like metabolism.
Down
  1. 1. This organ digests food and sends t to our small intestine.
  2. 2. It is a system that regulates vital body functions
  3. 3. This organ process special lymphocytes called T-cells.
  4. 5. This organ removes waste and gases from the body when you exhale.
  5. 6. It is a system that protects the body from outside invaders like viruses.
  6. 8. It is a system that produces reproductive cells and helps in reproduction.
  7. 10. It is a system that controls your breathing.
  8. 15. This structure holds the body together.
  9. 17. This structure pulls on the joints, allowing us to move.
  10. 18. This organ eliminates toxins from the body's blood supply.
  11. 20. This organ pumps blood to other body parts.