The Muscular System
Across
- 1. Regular physical activity keeps muscles strong and maintains muscle _____
- 5. A type of striated muscle that forms the wall of the heart
- 8. Like rubber bands, muscles are _____
- 10. The inflammation of a tendon
- 12. The muscle that closes a joint
- 14. Good _____ keeps your back muscles strong
- 15. Muscle strains or sprains results when muscles are stretched or partially torn from this
- 16. Commonly occurs in the abdomen as a result of straining to lift a heavy object
Down
- 2. The muscle that opens a joint
- 3. A muscle is made up of long cells that shorten and stretch called muscle _____
- 4. An extensor muscle in the arm
- 6. A flexor muscle in the arm
- 7. Skeletal muscles have tissues with a ____ appearance under a microscope
- 9. Muscles attached to the bone that cause body movements
- 11. Muscles that act on the lining of the body's passageways and hollow internal organs
- 13. An inherited disorder that gradually destroys the fibers of skeletal muscles