BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is FALSE about pacemaker cells?
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They allow the heart to beat on its own
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They create their own electrical impulses
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They are part of the sinoatrial node and the atrioventricular node
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They require depolarizing stimulation from the brain
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Explanation:
Detailed explanation-1: -The sinus node is the heart’s natural pacemaker. It’s a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat.
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