Human Skin

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Human Skin
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SkinSunbathing
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Functions of skin

• Keeps microorganisms and foreign materials from
  entering body
• Keeps body from drying out
• Excretes urea, salt, and water in sweat
• Sense pain, pressure, heat, cold, and touch
• Maintain body temperature
• Removal of excess heat
• Keep heat in

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Skin Color

• Is determined by the amount of a pigment called
  melatonin

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Aging Skin

• Loses elasticity
• Loses fatty subcutaneous layer

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Aging Skin
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Wrinkles
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Burns
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Burns
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Burns