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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Fat is released form fat cells in response to glucagon, an enzyme released by the pancreas. It enters the blood and is is taken up by organs anywhere in the body that need energy, including the liver, but also skeletal muscles and the heart. The function of the liver is to convert the fat into other forms that can sustain the brain and to produce heat, but it is not the only consumer of energy. The enzyme also circulates around the body and can’t target fat in a particular region.
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