How Many times Does the Human Heart Beat in a Lifetime?

The human heart is a muscle about the size of a fist, and it beats more than 3 billion times during the average person's lifetime. It pumps the equivalent of more than 1 million barrels of blood through the body during an average lifetime, supplying the body’s internal systems with oxygen and other nutrients required for them to function. In one minute, a healthy heart beats about 80 times, which adds up to 115,200 beats per day and more than 42 million beats per year. It circulates about 6 quarts (5.6 liters) of blood through the entire body three times every minute.

More about the heart:

  • The average adult’s heart beats 72 times per minute, and a child’s heartbeat might range from 90 to 120 times in a minute.

  • Even when the body is not performing any activity, the heart muscle is exerting as much power as the leg muscles do when a person is performing fast sprints.

  • The heart circulates blood through the body each day a distance equivalent to about 12,000 miles (19,000 km) — enough to cross the United States four times every day.
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