The average adult has about 21 square feet of skin.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Human Hair
Human cavity
A colorized image of the human male chromosome set
Major features of human genome
Fluorescent in situ hybridization (FISH) of human metaphase chromosomes