Body Systems Vocabulary

5. A bundle of neurons that transmits impulses.
6. A tough band of tissue that connects bones to other bones at a joint.
8. muscle The specialized involuntary muscle found only in the heart that pumps blood.
10. cord The bundle of nerves that extends from the brain down the back and is protected by the vertebrae.
12. A tough cord of tissue that attaches muscle to bone.
13. The main organ of the nervous system that controls all body functions.
14. A flexible, elastic tissue that covers the ends of bones and acts as a shock absorber.
15. The internal framework of bones and cartilage that supports the body.
17. A specialized nerve cell that carries electrical messages, or impulses, throughout the body.

1. A place where two or more bones meet, which allows for movement.
2. muscle A muscle that you can control and move by choice, like the muscles in your arms and legs.
3. Nervous System Includes the nerves that branch out from the CNS to all parts of the body.
4. A tissue composed of fibers that contract and relax to create movement.
7. The rigid tissue that makes up the skeleton of the human body.
9. Nervous System Composed of the brain and spinal cord, it processes and transfers information.
11. muscle A muscle that moves automatically without you thinking about it, such as your heart.
15. muscle Involuntary muscles that control movement in the internal organs, like the stomach and blood vessels.
16. muscle Voluntary muscles attached to bones that allow for conscious movement, such as walking or running.