Puzzle

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Across
  1. 4. excretion waste from the body
  2. 5. system Control of body's internal environment to maintain 'homeostasis'
  3. 6. it help us breath
  4. 8. help filter the waste material out from the body
  5. 10. it help break down food is also kind of in a J shape
  6. 12. help in the digestion of food
Down
  1. 1. control centre of the body
  2. 2. without it beating you could die
  3. 3. voluntary and involuntary movement
  4. 7. support and protection of many internal organs
  5. 9. Regulation of body process through hormone production
  6. 11. it help clean the blood