sweat gland
US /ˈswet ˌɡlænd/
UK /ˈswet ˌɡlænd/
1.
a small gland that secretes sweat, situated in the dermis or subcutaneous tissue of the skin.
:
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Humans have millions of sweat glands distributed across their skin.
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When you exercise, your sweat glands become more active to cool your body.