Myth 4: The heart is a more important and complex organ than the lungs.
While it’s true that you can’t survive without a heart, you also can’t survive without functioning lungs! Nevertheless, it’s still “easier” to live without much heart function, with mechanical support, while awaiting a heart transplant. Lungs have a more complex system that need to accurately match blood flow with gas flow at the same time, while simultaneously needing to be protected from the “outside world.” In contrast, the heart is a relatively simple pump and can be more easily replicated by mechanical support. Scientists say that artificial, biocompatible hearts may be a reality in the near future, but artificial lungs are “probably 30 years away” due to their complexity.
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