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