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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).