How to pronounce“heat”in English

know systems don't change unless there's pressure if you put a pot of water on the stove it saves a pot of water and Tralee turnthe heat up and then eventually it boils so that the heats turned up in our global economy and so that pressure is causing the economy to alter and findits way into a more healthy state and that's that's called emergence in complexity science and we see that happening all over the all over the