barakasammy70 barakasammy70

06-03-2020
Biology

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what is first heart chamber to receive electrical signals and cause contraction

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nawal212007 nawal212007

06-03-2020

Answer:

The pacemaking signal generated in the sinoatrial node travels through the right atrium to the atrioventricular node, along the Bundle of His and through bundle branches to cause contraction of the heart muscle.

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