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Science - Grade 5: The Excretory System - The Skin

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36 Visningar· 11/03/23

Gidemy Middle School
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⁣The skin also acts as an excretory organ. It is estimated that 3 to 4 million eccrine sweat glands which together roughly weigh the same as one kidney (i.e., 100 g) are distributed over almost the entire human body surface.

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