How the Heart Works (Sides, Chambers, and Function) Center

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 (Sides, Chambers, and Function) Article

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Medically Reviewed by a Doctor on 10/16/2019

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