Related Resources on How the Heart Works

The heart is a very important organ in the body. It is responsible for continuously pumping oxygen and nutrient-rich blood throughout your body to sustain life. It is a fist-sized muscle that beats (expands and contracts) 100,000 times per day, pumping a total of five or six quarts of blood each minute, or about 2,000 gallons per day. Read more: How the Heart Works Article

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In the U.S., 1 in every 4 deaths is caused by heart disease. See Answer

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Medically Reviewed by a Doctor on 3/9/2022

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