Chapter 11 Vocabulary

3. consists of regions that controls movement, memory, communication, reasoning and receives messages from sense organs
5. muscles that are controlled to do activities
10. condition in which bones become weak and break easy
12. tissue that fills bones
13. process where cartilage is replaced by bone
15. a thick cord of tissue that attaches muscle to bone
16. an involuntary muscle that is found only in the heart
19. an abnormal curvature of the spine
20. an automatic response to the environment
21. a thick cord of nerve tissue that links the brain to most of the peripheral nervous system

1. a tough supportive tissue that is softer and more flexible than bone
2. caused overuse of tendons that may lead to painful swelling and irritation
4. the ends of the bones in a joint a forced out of their location
6. a cell that is a basic unit in the nervous system
7. strong fibrous bands that hold bones together at the joints
8. a place where two or more bones come together
9. a painful injury that occurs when muscles are stretched too quickly or too much
11. slight muscle tension
14. coordinates body's movements and helps keep balance
17. steroids of testosterone
18. a condition where become weak and can't contract