Body systems

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Across
  1. 5. Lungs
  2. 6. Bones
  3. 8. Intestines
  4. 9. Muscles
  5. 10. Brain
Down
  1. 1. What protects your heart and lungs
  2. 2. What body part filters blood
  3. 3. What protects the tips of your fingers
  4. 4. What is one thing that you breathe through
  5. 7. What protects your knees