Body systems crossword
Across
- 4. The organ that is used for oxygen intake and carbon dioxide output
- 6. The system that is used for breathing
- 10. The system that breaks down food and converts it to energy
- 11. The organ that pumps blood through the body
- 12. The system that circulates blood and nutrients
Down
- 1. Nerve cell
- 2. The system that contains all the bones
- 3. The system that helps control the body
- 5. the organ that breaks down food into nutrients for energy
- 7. The system that gets rid of liquid wastes
- 8. The system that fights sickness such as viruses
- 9. The organ that controls all of the body and it's functions