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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

