Body Systems Review
Across
- 3. Brings oxygen-poor blood back to the heart
- 7. Connects blood vessels together
- 9. one function of bones (think sternum)
- 11. one function of bones (think humerus)
- 12. Cord main highway for sending messages that is protected by the spine
- 13. the system that pumps our blood throughout our body
- 14. the system that helps our bodies move
- 16. the system that controls everything by sending messages throughout our bodies
Down
- 1. the longest and strongest bone in our body
- 2. the system that supports and gives structure to our bodies
- 3. type of muscle you can control
- 4. the system that brings in oxygen and releases CO2
- 5. Brings oxygen-rich blood away from the heart
- 6. nerve cells
- 8. control center of the nervous system
- 10. type of muscle you can't control
- 15. the main organ in the respiratory system