Top 15 Most Interesting Facts About The Human Heart

Heart Attack Symptoms in Women Over 50

Here are some of the human heart facts which will add a lot to the existing pool of your knowledge about the tireless pumping organ.

  • 1. Every 3rd US woman dies of a heart condition!
  • 2. The divers slow down their heartbeat to economize the use of oxygen.
  • 3. An adult’s heart beats 80 times/min but it reduces to 60 beats/min when you are asleep!
  • 4. With the lungs being relatively non-functional, the fetus uses the placenta to get oxygen from the mother’s uterus.
  • 5. After the flow of blood from the placenta is cut and the fetus takes its first breath, the heart chambers undergo final septation.
  • 6. Your heart lies between the right and left lungs which occupy the lateral spaces called the pleural cavities.
  • 7. The average rate of your heartbeat is 72 times per minute. In one day, the heart beats over a hundred thousand times!
  • 8. An average heart can pump around two thousand gallons of blood throughout the body every day.
  • 9. The heart can continue to beat for a while even if you separate it from the body if there is a supply of oxygen.
  • 10. The heart muscles can contract in response to the electrical impulses.
  • 11. In response to exercise, the cardiac muscles tend to grow both in size and strength. This is the very reason that the hearts of athletes are much larger.

About the Author

Posted by: M. Isaac / Senior writer

A graduate in biological sciences and a PhD scholar (NCBA&E University, Lahore), M. Isaac combines his vast experience with a keen and critical eye to create practical and inherently engaging content on the human body. His background as a researcher and instructor at a secondary school enables him to best understand the needs of the beginner level learners and the amateur readers and educate them about how their body works, and how they can adopt a healthier lifestyle.

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