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They are bothe considered excretory organs because they get rid of unwanted toxins from the body. when we sweat we are exreting through the skin and the liver excretes bile. Have you ever thrown up when you were really hungry you realise that its green that is what bile is, it is stored in the gall bladder. Have you ever noticed that your sweat is salty?

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13y ago
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14y ago

Because the liver itself does not excrete wastes other organs do.

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Q: Why is the liver called a secondary organ of excretion?
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