Across
- 1. thick, dark, filaments
- 5. muscle fiber membrane
- 7. outermost layer, surrounds entire muscle
- 9. muscle tissue, voluntary, maintains posture
- 11. composed of both myosin and actin
- 13. parallel muscle fibers within sarcoplasm
- 15. Thin, light, filaments
- 16. surrounds each individual muscle fiber
Down
- 2. inner material surrounding fibers
- 3. separated and surrounds fascicles
- 4. muscle fibers arranged in bundles
- 6. fibers that are found within muscle cells
- 8. transport
- 10. striated involuntary muscle tissue
- 12. muscle tissue found only in the heart
- 14. the region between 2 z-lines