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Name 2 differences between skeletal muscle and cardiac muscle.
Stimulation: Skeletal muscle used motor neurons, Cardiac muscle uses autorhythmic cells
Contraction: Skeletal muscle contracted in motor units, Cardiac muscle contracts as a whole – functional syncytium
Absolute refractory period: Skeletal muscle – 1-2 ms, Cardiac muscle – 200 ms
Energy requirements: Skeletal muscle can use anaerobic
respiration, Cardiac muscle requires O2