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.

cleaing sports injured knee with medical cotton bud

What Are the Causes of Wounds That Do Not Heal?

Normal wound healing takes about 3 weeks, but some wounds can take months or even years to heal. Local factors such as the condition of the wound, infection, trauma and edema affect healing as can systemic factors -- those that affect the whole body -- such as age, general health and nutritional status.

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