As we grow older, parts of our heart can deteriorate or become weaker. As a result, it affects the functionality of heart, which  gives us some serious problems. But we have developed some incredible technology that has saved countless of lives. This episode of Real Engineering shows us how pacemakers help keep our hearts beating when our natural system can no longer help us, and how it has evolved over the years.

THIS IS COOL. I WANT TO LEARN SOMETHING ELSE, TOO!

Video via – Real Engineering
Further Readings and References @ MSD ManualBritish Heart Foundation, and Healthline

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