6_05 body systems

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Across
  1. 1. Humans are an example
  2. 3. tissue Has characteristics that force the heart to beat
  3. 6. system The system that controls breathing
  4. 8. system These organs extract nutrients from foods
  5. 9. system The organ system that protects the body from damage, comprising the skin and its appendages
Down
  1. 2. system Bones and joints
  2. 4. system The system that protects the body from infection
  3. 5. The main building block of the human body
  4. 7. Smallest level of organization for living things
  5. 10. system Controls everything that happens in our bodies