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Monday, August 7, 2017

Aristotle believed that the heart collected sensory input from the peripheral organs through the blood vessels. It was from those perceptions that thought and emotions arose. That is how the term "heartfelt" originated.

These days we know a little more about this incredible organ.

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Today's Random Fact:

The average adult heart beats 72 times a minute; 100,000 times a day; 3,600,000 times a year; and 2.5 billion times during a lifetime.

During an average lifetime, the heart will pump nearly 1.5 million barrels of blood, enough to fill 200 train tank cars.




Bonus Fact:

In 1929, German surgeon Werner Forssmann (1904 - 1979) examined the inside of his own heart by threading a catheter into his arm vein and pushing it 20 inches and into his heart, inventing cardiac catheterization, a now common procedure.