and node signal the heart
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and node signal the heart |
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| navigate by keyword : aorta arteries arterioles artery atria atrioventricular atrium blood body capillaries cells chambers cluster cycle deoxygenated electrical endocardium epicardium heart human impulse lungs myocardium node organ oxygenated oxygenrich pulmonary pump signal signals sinoatrial tissue tricuspid veins ventricle ventricles venules |
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| The AV node is a cluster of cells in the center of the heart between the atria and ventricles, and acts like a gate that slows the electrical signal before it enters the ventricles. This delay gives the atria time to contract before the ventricles do. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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