Skin is the human body’s largest organ (an organ is a group of tissues that work together to perform functions in your body, others include your brain, heart and lungs).
Your skin performs a range of different functions which include physically protecting your bones, muscles and internal organs, protecting your body from outside diseases, allowing you to feel and react to heat and cold and using blood to regulate your body heat.
The outer layer of your skin is the epidermis, it is found thickest on the palms of your hands and soles of your feet (around 1.5mm thick).
The subcutis (or hypodermis) is the deepest layer of your skin, as well as storing fat, it also contains blood vessels, hair follicle roots and nerves.
If skin is severely damaged then it may try to heal by forming scar tissue. Scar tissue is not the same as normal skin tissue, it often appears discolored and lacks sweat glands and hair.
The color of human skin depends on the amount of pigment melanin that the body produces. Small amounts of melanin result in light skin while large amounts result in dark skin.
Areas that experience repeated friction or pressure can form tough, thick skin known as a callus.
Common examples of calluses can be seen on the hands of tennis players and the fingertips of guitarists.
A large amount of the dust in your home is actually dead skin
Your skin is made up of 3 main layers. Your skin is made up of three major layers – epidermis, dermis, and hypodermis (also called the subcutaneous tissue).
Your skin loses about 30,000 to 40,000 dead skin cells from the surface almost every minute, even though you do not see it happening.
Your skin sheds a layer of these dead cells every 24 hours and renews itself about every 28 days.
Your skin swells when it absorbs water.
Your skin contains a protein called keratin which is also found in hair and nails
Your skin is the thinnest on the eyelid.
Goose bumps are actually little pimples that help retain a layer of warm air over our body.
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