Eva Metcalf - Body Systems Vocabulary

1. muscle: Involuntary muscles that control movement in the internal organs, like the stomach and blood vessels.
4. The rigid tissue that makes up the skeleton of the human body.
7. muscle: A muscle that you can control and move by choice, like the muscles in your arms and legs.
8. A flexible, elastic tissue that covers the ends of bones and acts as a shock absorber.
9. Nervous System (CNS): Composed of the brain and spinal cord, it processes and transfers information.
11. A place where two or more bones meet, which allows for movement.
13. A bundle of neurons that transmits impulses.
15. cord: The bundle of nerves that extends from the brain down the back and is protected by the vertebrae.

2. A tough cord of tissue that attaches muscle to bone.
3. muscle: The specialized involuntary muscle found only in the heart that pumps blood.
5. A specialized nerve cell that carries electrical messages, or impulses, throughout the body.
6. The main organ of the nervous system that controls all body functions.
10. A tough band of tissue that connects bones to other bones at a joint.
12. muscle: Voluntary muscles attached to bones that allow for conscious movement, such as walking or running.
14. A tissue composed of fibers that contract and relax to create movement.