Facts About Skin
of our body is covered by the skin, making it the largest organ in our body
of our body weight is made up of skin
microorganisms make up the skin microbiota
of dead skin cells form the outer layer of the epidermis
skin cells are shed each day
are needed for skin to renew itself
The skin has three basic levels - the epidermis, the dermis, and the hypodermis.
Skin performs many vital functions:
- From external physical, chemical, and biological assailants.
- From excessive loss of moisture and protein.
- From harmful effects of UV radiation.
- Protects the body from cold or heat, and maintains a constant core temperature.
- By producing sweat and dilating blood vessels, the skin helps keep the body cool.
- Nerve endings detect temperature, pressure, vibration, touch, and injury.
- A vitamin essential for the normal absorption of calcium and phosphorous required for healthy bones.