Across
- 4. Fertilized egg cell
- 5. Organ producing sperm
- 7. Organ producing eggs
- 8. Tissue covering body surfaces
- 12. Later stage of unborn development
- 13. Tissue specialized for communication
- 14. Male reproductive cell
Down
- 1. Tissue specialized for movement
- 2. System producing offspring
- 3. Fusion of sperm and egg
- 6. Tissue providing support and structure
- 8. Female reproductive cell
- 9. Group of similar cells working together
- 10. Early developing organism
- 11. Liquid waste from kidneys