Across
- 3. I am an organisation that wants to bring peace to the world.
- 5. I am the smallest bone in the human body.
- 6. Muscle that pumps blood.
- 9. I am an imaginary line which divides the Earth into 2 hemispheres.
- 11. I am the most important organ in the nervous system..
- 12. The safest energy.
- 14. I am the name of the river in Mesopotamia.
- 15. I have a twin of myself and we help you inhale and exhale.
Down
- 1. The largest organ in our body.
- 2. Most popular video platform.
- 4. The oldest civilization.
- 7. Who created the first postal system.
- 8. The transfer of heat through a material by direct contact.
- 10. What did the Romans do in the Colosseum.
- 13. I am a type of energy that runs out.
