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12 years ago
Why is it necessary to direct the electrical signals in the heart through the AV node instead of allowing them to spread directly to the atria?
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Human Physiology: An Integrated Approach

Human Physiology: An Integrated Approach


Edition: 8th
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12 years ago
If electrical signals from the atria were conducted directly into the ventricles, the ventricles would start contraction at the top. The blood would be squeezed downward and would be trapped in the bottom of the ventricles.
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