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.

What Is the Main Function of Glucose?

What Is the Main Function of Glucose?

The simple sugar glucose serves as a primary fuel for energy generation in the body. The brain and some other cell types rely exclusively on glucose for fuel.

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Plate of assorted doughnuts

How Are Carbohydrates Broken Down?

A powdered-sugar doughnut and a chewy, whole-grain baguette are both carbohydrates, but they are broken down differently by the body. Carbohydrates fall into three basic categories: sugars, starches and cellulose. Simple sugars, or monosaccharies -- such as might be found in your doughnut -- are digested very quickly.

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