Vocab 23

2. (n) quality or state of being full of life; state of being full of energy
7. (n) a piece of writing about a person's life written by someone else
9. (n) surgery on living animals; medical research that involves cutting into animals to study organs, parts, or diseases
10. (v) to bring something back after it declined in condition or popularity; to breathe new life into something
14. (n) a diet thought to help people live longer because it focuses on natural foods
15. (n) a medicine used to save lives because it destroys harmful bacteria and cures infections
16. (adj) necessary or essential to life
18. (n) the study of the nervous system of living things and how it helps the living things learn and react
19. (n) a person who lives through a difficult event or experience

1. (n) the zone of planet Earth where there is life (between the deep crust and the lower atmosphere)
3. (n) a piece of writing written by a person about his or her own life
4. (v) to bring back to life again
5. (n) how two different living organisms live together and depend on each other
6. (n) a tablet of substances that are thought to promote a healthy life
8. (n) the ability to continue living
11. (adj) full of life; fun; lively; animated
12. (n) the study of living things
13. (n) a person who studies living things
17. (n) the removal of living tissue from the body for diagnostic examination
20. (adj) "as big as life"; brightly colored; daring