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Week 13- Draft 1

Submitted by aswan on Mon, 12/10/2018 - 15:02

As blood enters the right side of the heart it enters the right atrium where blood is able to flow without any additional help through the atrioventricular valve and into the ventricle. Eventually the atrium contracts (becomes systole however this term is usually only applied to the ventricle) forcing the rest of the blood still present in the atria into the ventricle.