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.

Pulse oximeter

Causes of Low Blood Oxygen Levels

The cells of the human body require a constant supply of oxygen to produce the energy necessary to accomplish their life-sustaining functions. Oxygen derived from the air is delivered via the bloodstream to the body organs and tissues.

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