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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.