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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.