Human body systems

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Across
  1. 3. This is apart of your breathing
  2. 4. It looks like a ladder but in your back
  3. 8. Its not so funny when you hit this on a table
  4. 10. This is what everybody is made of
  5. 11. Lower part of your leg
  6. 12. this is a group of organs working together
Down
  1. 1. This is close to the ribs
  2. 2. You need this your you will be like the scarecrow
  3. 5. Your use these to breath
  4. 6. You don't need to wear a collar around this
  5. 7. You put your braclets around this
  6. 9. these have your blood in them
  7. 12. This is what a group of tissues make
  8. 13. This is what alike cells make up