How Does The Endocrine Pancreas (Insulin, Glucagon & Somatostatin) Work?

The endocrine pancreas is like a tiny kitchen inside your body that helps you stay full and energized all day long.

Imagine your body is like a robot that needs fuel to run, that fuel is glucose, which comes from the food you eat. The pancreas is like a smart chef who makes special helpers called insulin, glucagon, and somatostatin to manage this fuel.

When You Eat

When you eat a big meal, your body gets lots of glucose. That’s when insulin steps in, it's like a little helper that tells your cells, “Hey, there's plenty of fuel here, store some for later!” So your cells take in the glucose and save it as energy.

When You're Hungry

Later, when you haven’t eaten for a while, your body needs more fuel. That’s where glucagon comes in, it says “Time to wake up those stored fuels!”, helping your body release glucose back into the blood so you can keep going.

Somatostatin is like a traffic cop that helps control how much insulin and glucagon are working at any given time, keeping everything balanced.

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Examples

  1. After eating a big meal, insulin is released to help cells absorb glucose from the blood.
  2. When you skip breakfast, glucagon tells your liver to release stored sugar into the bloodstream.
  3. Somatostatin acts like a traffic light, slowing down other hormones when needed.

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