Body sistems

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Across
  1. 3. Made up of elastic tissue that expand when breathing in
  2. 4. Unit to measure force
  3. 7. Made up of different tissues
  4. 10. Pairs of muscles working together
  5. 11. Where two or more bones join together
  6. 13. Largest bone that supports the weight of the body
Down
  1. 1. Gas used in respiration
  2. 2. Organisms made up of many cells
  3. 5. Two bones are held together by
  4. 6. Muscles are attached to bones by
  5. 8. Strong,smooth tissue that prevents bones to wear away
  6. 9. Strong bones that orotect the lungs
  7. 12. Group of similar cells working together