The skin protects our body against injury and infection, regulates temperature and controls the loss of body fluids. Its two main layers are the dermis and epidermis. Skin can be affected by sun, ageing, injury and infection.
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Topic: Introduction to skin
The skin is a good indicator of health - if someone is sick, it often shows in their skin.
Many age-related skin changes can be reduced with healthy lifestyle choices and good skin care.
Sweat’s main function is to control body temperature.