Across
- 3. protects the brain
- 4. Animals that eat both plant and animals
- 6. Source of energy for plants
- 10. Egypt is famous for
- 11. Material with the highest transparency
- 12. tissue that connects muscles to bone
- 13. layer of gases that surround the earth
- 17. Blood cells helps to fight infection
- 18. which virus causes Corona
- 19. is a planet
- 20. pumps blood through the whole body
Down
- 1. Young one of a cow
- 2. Earthquakes in ocean causes
- 5. Largest land animal
- 7. Frog's young one
- 8. Essential nutrient that helps in muscle building
- 9. Pigment that gives green colour to leaves
- 14. Closest planet to earth
- 15. Place food gets collected after human chew
- 16. who proposed 3 laws of motion