Across
- 3. artificial body part
- 5. not moving or motionless
- 6. a critical part of something or idea
- 8. to form a theory or opinion without firm evidence
- 10. having honest or moral principles
- 11. to insert or fix, especially in one's body through surgery
- 13. to increase in quality or improve
Down
- 1. not necessary
- 2. to express an idea clearly
- 4. a set of opinions or offering an explanation on a topic
- 7. a group of interconnected people or things
- 9. an electromechanical artificial body part
- 12. to remove