health thing

2. consists of several specialized regions that recieve messages from sense organs
3. thick column of nerve tissue
6. condition where muscles will weaken and shrink
10. irritation caused by overuse of tendons
12. consists of the midbrain, pons, and medulla
15. overstretched or torn ligament
16. abnormal curvature of the spine
18. tough supportive tissue; softer than bone
19. condition where bones become weak and break easily

1. artificial forms of the male hormone testosterone
4. strong, fibrous bands
5. where two or more bones come together
7. when the ends of the bones in a joint are forced out of their normal positions
8. basic unit of the nervous system
9. a process in which cartilage is replaced by bone
11. thick strand of tissue
13. coordinates body movements
14. break in a bone
17. tissue that fills the spaces in bones
20. pulled muscle