Across
- 5. contraction is immediately followed by another very rapidly
- 8. where thick and thin filaments overlap, causing appearanceearence
- 9. the enlargement of an organ or tissue from the increase in size of its cells.
- 10. attachment to the immovable bone
- 12. voluntary, striated, multinucleate, attached by tendons to bones
- 13. waste away, especially as a result of the degeneration of cells, or become vestigial during evolution.
- 14. a neurotransmitter that stimulates skeletal muscle
- 15. the connective tissue that holds all of the fascicles together; covers the entire muscle
- 16. minimal amount of stimulus required to initiate muscle contraction
- 17. involuntary, non-striated, uninucleate, found mainly in the walls of howwow organs
- 18. around a single muscle fiber & between the fibers
- 19. functional unit inside a muscle fiber containing actin and myosin
Down
- 1. membrane of the muscle cells
- 2. attachment to the movable bones
- 3. single, brief, jerky contraction
- 4. boundaries sarcomeres and where they connect
- 6. bundle of muscle fibers
- 7. involuntary, striated, uninucleate, found only in the heart
- 11. around a fascicle (bundle) of fibers
- 12. surrounds each myofibril and stores calcium