Our heart is fundamental to life itself. We tend not to think too much about our hearts and the role they play from conception until the end of life itself, for most of us that is 75 to 85 years old. — Read Article
Our heart rate varies depending on the bodies demand for oxygen it may speed up as demand increases and slow down as demand decreases; an unusually high rate when resting or a low maximum heart rate may indicate a heart attack risk pending.
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