Human Body Systems: Enzymes, Electrolytes & Metabolism

Body systems rely on a balance of electrolytes, enzymes, and hormones like cortisol. Understand fat metabolism, urinary output, and energy system functions.

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The Best Foods & Liquids to Hydrate the Body

Dehydration occurs when your body doesn't have as much fluid as it needs. You lose fluid through breathing, sweating, urinating, bowel movements and, when you're sick, through vomiting or diarrhea.

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