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Chapter 6 Muscles
| Question | Answer |
|---|---|
| Shorten muscle with force | contractility |
| Capacity of skeletal muscle to respond to stimulus | Excitability |
| ability to be stretched | Extensibility |
| ability to return to original length after being stretched | Elasticity |
| surrounds the skeletal muscle | Epimysium |
| surrounds and separates muscles; located outside the epimysium | fascia |
| surrounds fasciculi | perimysium |
| makes up fasciculi; single muscle cells | fibers |
| each fiber surrounded by connective tissue sheath; what is the sheath | endomysium |
| thread-like structure that extends from one end of a fiber to the other | myofibrils |
| thin myofilaments | actin |
| thick myofilaments | myosin |
| highly ordered units formed by actin and myosin myofilaments | sarcomeres |