What kills most people in residential fires?

Good day everyone, I'm curious to know, have you ever stopped to think about the leading cause of fatalities in residential fires? It's a sobering thought, but one that we should all be aware of to better protect ourselves and our loved ones. So, let's delve into the question: "What kills most people in residential fires?" Is it the flames themselves, the smoke, or perhaps something else entirely? Understanding this crucial information could save lives in the event of a fire emergency.