Liquids or substances that the body produces and releases, like sweat, saliva, or stomach acid.
From Latin 'secretio' meaning 'separation' or 'sifting apart,' derived from 'secretus' (separated, hidden). The body 'separates' these substances from blood to release them.
Your body is constantly secreting things—and most of it is pretty gross when you think about it! But these secretions are essential for life: digestive juices break down food, sweat cools you down, and tears protect your eyes. The word 'secret' actually comes from the same root, because these processes happen secretly inside the body.
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