- You might remember learning this one in elementary school – by the time you’re an adult, the size of your heart is about the size of a fist.
- Your heart certainly gets in its daily workout; it beats about 115,000 times each day.
- During the day roughly 2,000 gallons of blood are pushed into your circulatory system.
- It might surprise you that there’s a lot of electricity in your heart. Specifically, this electrical system (called the cardiac conduction system) controls the heart’s rhythm.
- Even a heart that’s been removed from the body can still keep beating for a short period of time.
- Heart disease has been a thorn in the side of humans for a long time. In fact, the earliest known case of heart disease was actually discovered in an Egyptian mummy, who lived about 3,500 years ago.
- Here’s another reason to hate Mondays – heart attacks are most likely to occur during this day of the week.
- Given how big they are, it shouldn’t come as a surprise that whales have the biggest heart of any mammal.
- The first open heart surgery was performed near the end of the 19th century, specifically 1893. Sixty-five years later, the first successful pacemaker operation occurred.
- If you want to help your heart out, try to laugh more. Laughing not only makes the immune system better at its job, but it also serves to cut down on stress.
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