Across
- 4. to do with words and literature.
- 5. really amazing.
- 7. make beleive.
- 9. compulsory, an obligation.
- 10. scientists use these to conduct experiments.
- 11. essential, needed.
- 12. a place where the dead are buried.
Down
- 1. the best at something.
- 2. passed on by parents to their children.
- 3. Your _______________ system includes your lungs and pharynx.
- 6. a book that has the meanings of words in it.
- 8. plain, normal.