Across
- 3. The body's military force
- 6. What does the Earth have that other planets don't?
- 7. What body system is the stomach in ?
- 9. Transporter of signals of the body
- 10. Increase in strength when lots of Calcium
- 12. The body's way of taking out the trash
Down
- 1. group of cells
- 2. Reason why we have 8 billion people
- 4. You go to the gym to upgrade it
- 5. Your cells upgrading to be more complex
- 8. what does all organism have in common?
- 11. When groups work to achieve a single goal