✓✓~ bind, support, protect, fill spaces, store fat, produce blood cells
skeletal muscle
✓✓~ striated and voluntary
cardiac muscle
✓✓~ Involuntary muscle tissue found only in the heart, and striated
smooth muscle
✓✓~ Involuntary muscle found inside many internal organs of the body, and no striations
sliding filament theory
✓✓~ theory that actin filaments slide toward each other during muscle contraction, while the
myosin filaments are still
twitch contraction
✓✓~ the brief contraction of all the muscle fibers in a motor unit in response to a single action
potential in its motor neuron
frequency of stimulation
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