ELI5: Explain Like I'm 5

Alanine cycle

Alright kiddo, let me do my best to explain the alanine cycle in a way that you'll understand.

Our body needs energy to do things like playing, running, and even just breathing. One way we get that energy is by breaking down the food we eat. But sometimes, when we're not eating, our body needs to find another way to get energy. That's where the alanine cycle comes in.

The cycle starts when our muscles need energy and they start breaking down proteins for it. One of the proteins they break down is called alanine. Now, alanine is special because it can travel from our muscles to our liver through our bloodstream.

When alanine gets to the liver, the liver can do something pretty cool with it. It can turn it into glucose, which is another form of energy that our body can use. But the liver doesn't just keep all that glucose for itself. It sends it back to our muscles through our bloodstream so they can use it for energy.

So basically, the alanine cycle is a way for our body to break down and use proteins for energy when we're not eating, and it's a way to turn that protein into glucose so we can keep going.

Does that make sense, kiddo?