Eli5 What is actually happening when you burn fat?

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This might be a stupid question, I might indeed be stupid. But what is the actual process going on inside my body at 290lbs when I go hiking for example?

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When you burn fat, your body is breaking down stored fat molecules into smaller molecules, such as fatty acids and glycerol. This process is called lipolysis, and it occurs in the mitochondria of your cells. The mitochondria are the “powerhouses” of your cells, and they are responsible for generating energy for your body.

During lipolysis, the enzymes in your mitochondria break down the fat molecules into fatty acids and glycerol. The fatty acids are then transported into your cells, where they are combined with oxygen to produce energy. This process is called cellular respiration, and it generates the energy your body needs to function.

When you go hiking, your body uses energy to fuel your muscles as they move and contract. If you are carrying excess fat on your body, your body will use some of this fat as a source of energy to power your muscles. As a result, you will burn fat and lose weight as you hike.

Overall, burning fat is a complex process that involves the breakdown of stored fat molecules in your cells and the generation of energy through cellular respiration. When you go hiking, your body uses this process to convert fat into energy, which helps you burn fat and lose weight.

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