Asked by Johnson the third

Building a New Heart in achieve3000
What is this article mainly about?

The ways that a rat heart experiment can be used on pigs and corpses
The number of people who are diagnosed with heart disease each year
The ways that a rat heart experiment may help humans with heart disease
The number of people who die while waiting for a heart transplant

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Answered by GPT-5 mini AI
The ways that a rat heart experiment may help humans with heart disease.