Across
- 2. Keeps blood supplied with oxygen
- 4. Production of offspring
- 6. Protects deeper tissue from injury
- 8. Maintains Posture
- 9. Returns fluid to blood vessels
- 10. Activates muscles and glands
- 11. Breaks down food
Down
- 1. Transports materials in body by blood pumped by heart
- 3. Provides muscle attachment for movement
- 5. Growth and reproduction
- 7. Eliminates nitrogenous wastes