When the ventricle is complete, the mitral valve shuts. This stops blood from flowing backward in the atrium though the ventricle contracts. A part of the is referred to as the absolute refractory interval. Calcium ions also Merge With all the regulatory protein troponin C during the troponin advanced to https://get-200-dollars-now68763.dailyhitblog.com/42317373/4200-loan-for-dummies