Across
- 4. The removal of living tissue from the body for diagnostic examination
- 7. The zone of planet earth where there is life (between the deep crust and the lower atmosphere)
- 9. A medicine used to save lives because it destroys harmful bacteria and cures infections
- 11. To bring something back after it was declined in condition or popularity; to breathe new life into something
- 13. Quality or state of being full of life; state of being full of energy
- 15. Full of life; fun; lively; animated
- 16. A tablet of substances that are thought to promote a healthy life
- 17. The ability to continue living
Down
- 1. How two different organisms live together and depend on each other
- 2. A person who studies living things
- 3. The study of the nervous system of living things and how it helps the living things learn and react
- 4. A piece of writing about a person's life written by someone else
- 5. Surgery on living animals; medical research that involves cutting into animals to study the organs, parts, or diseases
- 6. A diet thought to help you live longer because it focuses on natural foods
- 8. A person who lives through a difficult event or experience
- 9. A piece of writing written by a person about his or her life
- 10. The study of living things
- 12. Necessary or essential to life
- 14. To bring back to life again
- 16. “As big as life”; brightly colored; daring