Video Footage: Av Node Signals In The Heart With Human Body
ID 195192037 © 7activestudio | Megapixl.com
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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aorta arteries arterioles artery atria atrioventricular atrium blood capillaries chambers cycle deoxygenated electrical endocardium epicardium heart impulse lungs myocardium node organ oxygenated oxygenrich pulmonary pump signal signals tissue tricuspid upper veins ventricle ventricles venules
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