How does your body know you're full? - Hilary Coller?

Your body knows you're full because special messages travel from your stomach to your brain, like a note saying "stop eating!"

Imagine you're having a big plate of spaghetti, yum! As you eat, your stomach starts to get bigger and bigger. When it gets full, it sends a message through your body to your brain, telling it, "I'm full!" This is kind of like when a backpack gets too heavy and it tells you, "Hey, I need a break!"

How the Message Travels

Your stomach has tiny sensors that can feel how full it is. These sensors send signals through wires in your body, like telephone lines, to your brain. Your brain gets the message and says, "Okay, time to stop eating!"

Sometimes you might still want to eat more because your brain is busy with something else, but eventually, the message wins, and you feel full and happy.

It's like when you're playing a game and you get tired, your body tells you to rest, just like it tells you when you're full!

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Examples

  1. Your stomach sends a message to your brain when it's full, like a bell ringing.
  2. Feeling full happens because your body gets a signal from your tummy after eating.
  3. When you eat a big meal, your stomach stretches and tells your brain you're done.

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