Conduction system of the heart

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Biology

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5 Terms

1
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Sinoatrial node

  • in right atrium wall

  • Pacemaker of the heart

  • triggers the atria to contract and passes the impulse to the av node

2
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aventicular node

  • causes a delay allowing the atria to empty blood and close the tricuspid and bicuspid valve

  • sends impulse to av bundle

  • located between atria and ventricles

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atrioventicular bundle

  • in septum

  • bundle of his

  • sends impulse to bundle branches

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right and left bundle branches

  • right is right ventricle

  • left is left ventricle

  • sends impulse to purkinje fibers

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purkinje fibers

  • spread through ventricle muscle tissue

  • carries impulses through ventricles and causes them to contract