Question

what is Auricular systolic???????

Answer 1

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Here is your answer

it is the constraction of both auricles at the same time for .1 seconds to pump blood into ventricle.


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Answer 2

This phase involves the contraction of the 2 auricles, pushing the blood into the respective ventricles.
There is no back flow of blood due to the presence of the bicuspid and the tricuspid valves.