Across
- 2. absorption of nutrients & protein
- 6. contraction & movement
- 8. formation & respiration
- 11. transports oxygen
- 12. electrical signals
Down
- 1. tube-shaped cells
- 3. storage
- 4. reproduction
- 5. fight viruses
- 7. Barrier
- 9. regulate gas exchange & prevent water loss
- 10. fertilized egg