The ability of junctional tissue of the heart to generate its own impulses is called
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autorhythmicity
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sinus venosus
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contractility
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staircase phenomenon
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echocardiography
A
Correct answer
Explanation
The ability of junctional tissue of the heart to generate its own impulses without external stimulation is called autorhythmicity. This is due to a small percentage of muscle cells called autorhythmic cells that are specialised to generate and conduct action potentials and make up the conduction system of the heart.