Chapter 11

4. a severe brain injury from trauma diseases or drugs.
5. an abnormal curvature of the spine.
8. when you hit your head really hard
9. coordinates your body movements and helps you keep you balance
10. allows you to react quickly in harmful situations
12. a pulled muscle a panful injury that happens when macules are over worked or stretched too much.
13. are the muscles that you control to do activity's such as walk or play.
14. fills the space in the bones.
15. a place in you body where two or more of you bones come together.
16. musicales that cannot contract due to energy or are not used often will weaken and shrink.
18. cord is a think column of nerve tissue system.

1. the loss of ability to move and feel a part of the body
2. muscle is involuntary muscle in the walls that is found only in the heart.
3. a break in the bone
6. a smooth layer of tough cartilage cushions and protects the end of the bones where they meet.
7. makes up about 85 percent of the brain weight
8. a tough supportive tissue that is softer and more flexible then bone.
11. stem lies between the cerebrum and the spinal cord
13. muscle is a mescal that causes movements within your body
17. a condition in which the bones become weak and break easy.