Across
- 4. the removal of living tissue for diagnostic testing
- 7. the zone of Earth where there is life
- 9. medicine that saves lives because it destroys harmful bacteria
- 11. to breathe new life into something
- 13. state of being full of life
- 15. full of life, fun, lively
- 16. a tablet thought to promote a healthy life
- 17. the ability to continue living
Down
- 1. how two different living organisms live and depend on each other
- 2. a person who studies living things
- 3. the study of the nervous system of living things
- 4. a piece of writing about someone else's life
- 5. surgery on living animals to study them
- 6. a diet that is thought to help people live longer
- 8. a person who lives through a difficult event
- 9. a piehttps://crosswordlabs.com/#ce of writing about someone's own life
- 10. the study of living things
- 12. necessary or essential to life
- 14. to bring back to life again
- 16. brightly colored, "full of life"