That's how it's generally known in Americanese
Not only in America, it is called fromage de tête in France
chicken stomachs. Not very nice at all and offputting to many. No real need to eat that stuff nowadays.
What about haggis?? And anyway eating is about pleasure not need, at least for most people in developed countries
What about kaszanka, Blutwurst, boudin, black pudding, etc.
Love it! One of my favourite treats is speading marrow from the bone on a toast with a sprinkle of salt.