Do you know some interesting facts about Human Skin


Skin is the largest organ plays a vital role in detecting hot and cold regulating body temperature.

Here are some of the most interesting facts about your skin:

  • The average person’s skin covers an area of 2 square meters.
  • Skin accounts for about 15% of your body weight.
  • The average adult has approximately 21 square feet of skin, which weighs 9 lbs and contains more than 11 miles of blood vessels.
  • The average person has about 300 million skin cells. A single square inch of skin has about 19 million cells and up to 300 sweat glands.
  • Your skin is its thickest on your feet (1.4mm) and thinnest on your eyelids (0.2mm).
  • The skin renews itself every 28 days.
  • Your skin constantly sheds dead cells, about 30,000 to 40,000 cells every minute! That’s nearly 9 lbs. per year!
  • Some sources estimate that more than half of the dust in your home is actually dead skin.
  • Dead skin comprises about a billion tons of dust in the earth’s atmosphere.
  • Your skin is home to more than 1,000 species of bacteria.
  • Skin that is severely damaged may try to heal itself by forming scar tissue, which is different from normal skin tissue because it lacks hair and sweat glands.
  • Skin can form additional thickness and toughness — a callus — if exposed to repeated friction or pressure.
  • Some of the nerves in your skin are connected to muscles instead of the brain, sending signals (through the spinal cord) to react more quickly to heat, pain, etc.
  • Your skin has at least five different types of receptors that respond to pain and touch.
  • Changes in your skin can sometimes signal changes in your overall health.
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