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Sodium

0.2% of Body Weight

Sodium is important for proper nerve and muscle function. It is excreted in perspiration.

Sodium metal chunks under mineral oil.

Sodium metal chunks under mineral oil.

Justin Urgitis, wikipedia.org

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Gallery Index: Elements in the Human Body

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Anne Marie Helmenstine, Ph.D.

Anne Marie Helmenstine, Ph.D.
Chemistry Guide

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