Which of the following terms describes the heart muscle's ability to generate its own electrical impulses?

Question

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Automaticity refers to the heart muscle's ability to generate its own electrical impulses, which is essential for the normal function of the heart's pacemaker cells. Contractility refers to the heart muscle's ability to contract and generate force, while conductivity refers to the ability of heart cells to conduct electrical impulses. Irritability refers to the heart's sensitivity to external stimuli that can cause abnormal heart rhythms.

Which of the Following Terms Describes the Heart Muscle's Ability