Across
- 3. Study of sleep
- 4. Study of glaciers
- 6. Study of cats
- 9. Study of the heart
- 10. Study of beetles
- 13. Study of spiders
- 15. Study of horses
- 16. Study of water
- 17. Study of fungi
- 19. Study of the nose
- 21. Study of sleep
- 22. Study of embryos
Down
- 1. Study of methods
- 2. Study of vaccines
- 5. Study of cells
- 7. Study of nerves
- 8. Study of tree rings and ages
- 9. Study of crime
- 11. Study of eggs
- 12. Study of fruits
- 14. Study of hearing
- 18. Study of life
- 20. Study of bones