Across
- 3. Thick filaments
- 6. Wraps muscle cells
- 7. Surrounds the muscle fibers
- 9. Thick filaments embedded in M lines
- 12. Thin filaments
- 13. Surrounds the skeletal muscle
Down
- 1. Ligament that connects bone and muscle
- 2. Hard structural organ that tendons are connected to
- 4. Retain calcium used in muscle contraction
- 5. Muscle bundles
- 8. Contains thick myosin and overlapping thin filaments
- 10. Anchors the center of myosin filaments
- 11. Zigzag end of sarcomere