Across
- 2. The system that helps the body fight off infection
- 4. The system that produces offspring
- 6. The system that covers and protects the body
- 10. The system that protects the body from infection
- 11. The system that filters blood and removes waste
- 12. The system that supports and protects the body.
- 13. The system that removes waste products from the body
Down
- 1. The system that breaks down food into nutrients
- 3. The system that allows the body to move
- 5. The system that sends messages throughout the body
- 7. The system that controls growth, development, and metabolism
- 8. The system that exchanges oxygen and carbon dioxide
- 9. The system that transports blood throughout the body
