the-heart-part-2-heart-throbs-crash-course-ap-26

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Interactive video lesson plan for: The Heart, part 2 - Heart Throbs: Crash Course A&P #26

Activity overview:

Today we're talking the heart and heart throbs -- both literal and those of the televised variety. Hank explains how your heart’s pacemaker cells use leaky membranes to generate their own action potentials, and how the resulting electricity travels through the cardiac conduction pathway from SA Node to Purkinje fibers, allowing your heart to contract. He's also going to make you better able to spot inaccuracies in medical dramas by explaining how defibrillators work to reset the rhythm of your heart.

Table of Contents
Pacemaker Cells Generate Their Own Action Potentials 2:47
The Cardiac Conduction Pathway 3:45
SA Node to Purkinje Fibers 4:48
How Defbrilators Work 6:46


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Tagged under: John Green,Hank Green,vlogbrothers,Crash Course,crashcourse,Anatomy,Physiology,Heart,Blood,pacemaker cells,Cardiac Muscle (Anatomical Structure),cardiac conduction pathway,sinoatrial node,SA node,purkinje fibers,defibrilators,Defibrillation (Medical Treatment),fibrilation,heart attack,Infarction (Disease Or Medical Condition)

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