electrical conduction of heart
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| name the two specialized structures that act as pacemakers for the heart | SA Node
AV Node
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| SA node initiates contractions by | depolarization
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| Electrical signal spreads across | atria
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| electrical signal crosses atria causing them to... | contract
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| electrical signals crosses atria causing them to contract before reaching the | AV node
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| what starts at the apex ventricle | contractions of ventricles
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| conducting fibers are located in | AV Node
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| conducting fibers must exit AV node to become | AV bundles
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| specialized conducting cells transmit signal down to ...... to initiate contractions in AV node | apex
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| AV bundle is formed from | conducting fibers in AV node
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| AV bundle splits into | right & left bundle branches
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| bundles branches split into | purkinje fibers
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| purkinje fibers are located in | wall of ventricles
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| mini ateries that branch out into capallaries | artrioles
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| transfer stations between arteries and veins | capallaries
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| the smallest vein components that suck blood out of the capillaries | venules
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| what is the name of the structure where the blood is located into the tunica interna | lumen
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| the smaller the diameter of the blood vessel, the ...... it is for blood to move through it | harder
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| capillaries are made of what kind of tissue | epithelial tissue
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| the heart is what kind of muscle | cardiac muscle
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| .... pumps blood through body | contractions
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