Why do we get hungry?
Fuel Truck Alert
Why do we get hungry?
You wake up. Your stomach rumbles. It's not angry — it's talking. "Hello," it says. "I need fuel." But how does your stomach know when it's time to eat? And why does it get louder when you ignore it?
Your body is a busy factory. Your heart pumps blood. Your lungs breathe air. Your brain thinks thoughts. Every second, billions of tiny workers — your cells — are doing jobs. And every job needs energy, the way a car needs gas.
