00:00Your heart beats 100,000 times every single day.
00:03It pumps 7,500 liters of blood through 60,000 miles of vessels.
00:08The heart generates its own electrical impulse without the brain.
00:12A heart can beat outside the body if it has oxygen.
00:16Your left lung is smaller to make room for your heart.
00:19Laughter increases blood flow by 20%.
00:21Your heart works non-stop from three weeks after conception until death.
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