Systems of our body

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Across
  1. 2. makes it possible for different parts of the body to communicate with one another.
  2. 3. removes toxins and waste from body tissues.
  3. 5. helps the body fight against infection and other diseases.
  4. 8. regulates our metabolism
  5. 9. moves oxygen and carbon dioxide into and out of the bloodstream
  6. 11. provides the framework and the engine for our physical abilities.
Down
  1. 1. has the mission of producing offspring.
  2. 4. carries excess fluid substances away from the cells.
  3. 6. protects the body from the external environment
  4. 7. breaks down foods into nutrients
  5. 10. contains bone marrow to produce blood and lymph cells.