Interaction in Body Systems

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Across
  1. 1. Transport blood throughout the body
  2. 3. Consists of muscles enabling movement
  3. 5. Breakdown and absorption of food and nutrients
  4. 9. Removes waste from the body
  5. 10. Allows organisms to reproduce and make offsprings
  6. 12. System of organization or arrangement based on importance
  7. 13. Regulates body activities by hormones
Down
  1. 2. Fight foreign invaders in the body
  2. 4. Involves bones for support and protection
  3. 6. Two or more things having action with each other
  4. 7. Takes in oxygen and release carbon dioxide
  5. 8. An arranged group with the same particular goal
  6. 11. Process to maintain internal stability