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*The [[Bicuspid Valve]] - Separating the [[Left Atrium|left atrium]] and the [[Left Ventricle|left ventricle]]. Stopping [[blood]] from flowing from the [[Left Ventricle|left ventricle]] back into the [[Left Atrium|left atrium]].
*2 [[Semilunar Valve]]s - Stopping [[blood]] from flowing from the [[Artery|arteries]] back into the [[ventricle]]s.
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09983 ''Heart; valves, pages 30, 34, GCSE Combined Science; The Revision Guide, CGP, AQA '']