What Determines the Rhythm of your Heart?

It sends out an electrical charge at some set interval — say, once every second, which would establish the low-end normal heart rate of 60 beats per minute (60 to 80 is a healthy heart rate). These impulses are the “sparks” that cause the right atrium to contract, starting the whole string of events that gets blood pumping in waves …

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    She packed her seven versalia, put her initial into the belt and made herself on the way. When she reached the first hills of the Italic Mountains

    Pityful a rethoric question ran over her cheek, then she continued her way. On her way she met a copy. The copy warned the Little Blind Text, that where it came from it would have a thousand times.

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