Medical innovations

2. (adj)made by people, often as a copy of something natural
6. (n)the process of infecting or the state of being infected
8. (n)part of the tree,tooth,arm or leg that's left after most of it has been removed
11. (n) a part of the body of an animal or plant that performs a particular job
12. (v) insert or fix (tissue or an artificial object) in a person's body, especially by surgery
13. (n)a branch or a jointed part of the body
14. (n)the ability to feel something physically
16. (v)to change the route of someone or something
18. (v)to produce something positive such as a profit, an amount of food or information
19. (adj)nerve or the system of nerves that includes the brain

1. (n) the large muscle at the front of the upper arm
3. (adj)very complicated or detailed
4. (adj) similar to the person or thing represented
5. (v) to cause sb/sth to lose the ability to move or feel; to cause sb/sth to stop working or acting normally
6. (adj)lacking human qualities of compassion and mercy; cruel and barbaric
7. (adj) relating to moral principles or the branch of knowledge dealing with these issues
9. (n) the original model of something from which later forms are developed
10. (adj)of the spine
15. (v)to make a sudden small movement with a part of the body, without intending to
17. (v)to experience something (that's unpleasant)