Across
- 1. the system that brings oxygen into your body and lets carbon dioxide out.
- 5. the system that transports blood around your body
- 8. the system that breaks down food
- 10. the system that helps you to move
- 13. the system that produces chemicals called hormones
Down
- 2. the system that allows you to make babies
- 3. another name for a living thing
- 4. a group of tissues that work together
- 6. the system made up of your brain, the spine, and nerves
- 7. a group of cells that work together
- 9. helps clean your blood and gets rid of waste
- 11. the system that protects and gives you shape
- 12. the smallest unit of life in your body