Across
- 2. Cells of muscle
- 4. Type of muscle regulating heart
- 5. Type of muscle also known as visceral muscle
- 6. Each muscle fiber is encased in a thin connective tissue layer of collagen and reticular fibers
- 7. Type of muscle involve in voluntary action
- 9. Thousands of muscle fibers that are united in bundles
Down
- 1. Thick filament
- 3. Regulating the contraction process by preventing actin from binding to myosin
- 8. Thin filament
- 10. The smallest functional unit of a skeletal muscle fiber and is a highly organized arrangement of contractile, regulatory, and structural proteins