What causes Anxiety

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Learn how the heart works.
Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per day, pumping five or six quarts of blood each minute, or about 2000 gallons per day.
How Does Blood Travel Through the Heart?
As the heart beats, it [...]