Anatomy and Physiology of the Integumentary System.docx -...

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Anatomy and Physiology of the Integumentary SystemStructures of the SkinoEpidermisoDermisoSubcutaneous tissueFunctions of the Skin and mucous membranesoProtection, temperature regulation, psychosocial, sensation, vitamin D production,immunologic, absorption, and elimination.Factors Affecting Skin IntegrityoUnbroken and healthy skin and mucous membranes serve as the first lines of defenseagainst harmful agents.oResistance to injury of the skin and mucous membranes varies among people. Factorsinfluencing resistance include the person’s age, the amount of underlying tis- sues, andillness conditions.oAdequately nourished and hydrated body cells are resistant to injury. The betternourished the cell is, the better able it is to resist injury and disease.oAdequate circulation is necessary to maintain cell life. When circulation is impaired forany reason, cells receive inadequate nourishment and cannot remove wastes efficiently.

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