Why exercise? Exercise is extremely important in order to avoid heart disease
Posted by admin on Jan 6, 2008
Why exercise? Exercise is extremely important in order to avoid heart disease. Exercise helps to keep the heart at its peak performance and is optimum health is easier to maintain. By using a combination of exercise and a balanced diet, the risk of heart disease is greatly decreased.
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The heart rate is regulated automatically by the autonomic nervous system, which consists of the
Posted by admin on Jan 6, 2008
The heart rate is regulated automatically by the autonomic nervous system, which consists of the sympathetic and parasympathetic divisions. The sympathetic division increases the heart rate through a network of nerves called the sympathetic plexus. The parasympathetic division decreases the heart rate through a single nerve, the vagus nerve.
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