For contraction of the heart muscle every part of the circulatory system is neededProduces functionality also as a vein-cutter tuber pacemakerBecause works| (1) All other parts of the heart do not have the capacity to function| (25 dose vein cutter tuber is self-stimulating and self-rhythmic.3) The depolarization rate is high in the vein cutter tuber.(4) Congenital depolarization of vein cutter tubers is only low.`.
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