Across
- 7. Maintains acid-base balance
- 8. Disposes of debris
- 9. Protects deeper tissue from injury
- 11. Removes carbon dioxide
Down
- 1. Production of offspring
- 2. Transports materials in body vie blood pumped by heart
- 3. Breaks down food
- 4. Stores minerals
- 5. Secretes regulatory hormones
- 6. Allows locomotion
- 10. Responds to internal and external change