click below
click below
Normal Size Small Size show me how
Ch. 6 Muscles
| Question | Answer |
|---|---|
| Contractility | The ability of a muscle to shorten with force |
| Muscle cells | Muscle fibers |
| Excitability | The capacity of skeletal muscle to respond to a stimulus |
| Extensibility | The ability to be stretched |
| Epimysium | Connective tissue sheath around skeletal muscle |
| Fascia | Connective tissue located outside the epimysium. Surrounds and separates muscles |
| Muscle fasciculi | Bundles of muscle fibers that make up the muscles |
| Perimysium | Loose connective tissue that surrounds muscle fasciculi |
| Endomysium | Connective tissue sheath that surrounds each muscle fiber |
| Myofibrils | A threadlike structure that is found in the cytoplasm of the muscle fiber |
| actin myofilaments | thin myofilaments |
| myosin myofilaments | thick myofilaments |
| sarcomere |