Your Life as Every Heart Surgeon Rank

From your first day in the operating room to the moment a hospital trusts you with a stopped heart. The road to becoming a heart surgeon takes longer, costs more, and breaks more people than anyone warns you. In this video, we rank every stage of the journey — and how much of someone's life is already in your hands before you're ready for it. Subscribe to The Explainer Boss for stories that show you the world through eyes you'd never want to have.