Send a piece of my heart into every mask shirt

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The average heart is the size of a fist in an adult.Your heart will beat about 115,000 times each day. Your heart pumps about 2,000 gallons of blood every day. An electrical system controls the rhythm of your heart. It’s called the cardiac conduction system. The heart can continue beating even when it’s disconnected from the body.

The first open-heart surgery occurred in 1893. It was performed by Daniel Hale Williams, who was one of the few black cardiologists in the United States at the time. The first implantable pacemaker was used in 1958. Arne Larsson, who received the pacemaker, lived longer than the surgeon who implanted it. Larsson died at 86 of a disease that was unrelated to his heart.



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