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Which structure initiates the normal contraction impulse in the heart and is known as the pacemaker?

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  • Which structure initiates the normal contraction impulse in the heart and is known as the pacemaker?


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Which structure initiates the normal contraction impulse in the heart and is known as the pacemaker?, ... normal pacemaker of the heart ... initiates the ...
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Positive: 65 %
Study Flashcards On Biology Exam 3 Chapter 5 at Cram ... Which structure initiates the normal contraction impulse in the heart and is known as the pacemaker?
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Positive: 62 %

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Cardiac Muscle Contraction. ... These cells are the pacemaker cells of the heart and once an action potential fires in these ... In a normal heart, ...
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Positive: 65 %
... bundle of neurons known as the sinoatrial node ... the heart's natural pacemaker, ... heart. The electrical impulse from the SA node ...
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Positive: 60 %
... is known as the pacemaker of the heart. It initiates the sinus rhythm, or normal electrical pattern followed by contraction of the heart. This impulse ...
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Positive: 46 %
Learn more about the cardiac cycle in the ... The heart's internal pacemaker regulates and times the ... rhythmic contraction of the heart, ...
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Positive: 23 %

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