Across
- 2. system that helps circulate blood throughout our body
- 7. this carries deoxygenated blood back to our heart
- 8. one of the two types of cells in the nervous system
- 9. one of the primary organs in the central nervous system
- 12. number of skeletal muscles in our body
- 14. disease that is caused by long term inflammation in the bronchial tubes
- 16. largest bone in the human skeletal system
- 18. an organ that is in the middle of our chest
Down
- 1. total amount of bones in our body
- 2. another name for the circulatory system
- 3. one of the two parts of the respiratory system
- 4. main tissue that encase the heart
- 5. biggest joint in your body
- 6. study of diseases and disorders of the nervous system
- 7. a muscle you can control
- 10. pairs of spinal nerves in the human body
- 11. form of cancer that comes from your lungs
- 13. muscle that controls 80% of breathing
- 15. smallest bone in the skeletal system
- 17. one of the strongest muscles