Across
- 3. the type of cells that fight disease and infection
- 8. where red blood cells are made
- 11. system responsible for moving blood around the body
- 13. the type of muscle tissue your lungs are made of
- 16. system responsible for exchanging gases- delivering oxygen and taking away carbon dioxide
- 17. the type of movement the heart and lungs have where you don't have control
- 18. the job or function of the heart in the cardiovascular system
- 20. the type of muscle tissue your heart is made of
- 21. the main organ of the respiratory system
Down
- 1. another name for the windpipe
- 2. carries the blood back to the heart
- 4. the gas blood supplies the cells with
- 5. the waste that the blood carries away
- 6. pumps blood away from the heart
- 7. another name for the circulatory system
- 9. when the body is stable and trying to have when the systems work together
- 10. another name for food that the blood carries to the cells
- 12. the type of cell that provides oxygen and nutrients to the cell
- 14. main organ of the circulatory system
- 15. the main branches that lead from the trachea to the lungs
- 19. fluid that delivers oxygen and nutrients to the cells and takes away waste from them
