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•Blood pushing up to top of a ventricle during contraction closes the AV valve … • And opens the semi-lunar valve Knowin

Posted: Tue May 17, 2022 11:10 pm
by answerhappygod
•Blood pushing up to top of a ventricle during contraction
closes the AV valve …
• And opens the semi-lunar valve
Knowing this, what direction do ventricles contract?
Top to bottom or bottom to top?