The sequence of depolarization and repolarization produces the electrical sign that triggers the contraction in the heart as well as the ejection of blood. If you're employing a heart price monitor to established your polarized schooling heart charge zones, you should follow these rules: There's no shortcut to creating this. https://heinzo371mwe6.bloggazzo.com/29031468/polarized-heart-can-be-fun-for-anyone