Eli5: How does fat burning actually work?

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So I know that if your body needs to it can use excess fat to provide itself with energy, and I’ve read that this fat is processed by the liver. But what I don’t understand is how this fat gets from your legs or arm for example to your liver.

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Anonymous 0 Comments

Fat cells are located all over your body. When your body senses that it’s low on energy, it produces a hormone into your blood stream that causes fat cells to excrete a little bit of their contents. That fat travels throughout the bloodstream until it’s broken down, same as any other nutrient.

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